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Worku D. Unraveling the genetic basis of methane emission in dairy cattle: a comprehensive exploration and breeding approach to lower methane emissions. Anim Biotechnol 2024; 35:2362677. [PMID: 38860914 DOI: 10.1080/10495398.2024.2362677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Ruminant animals, such as dairy cattle, produce CH4, which contributes to global warming emissions and reduces dietary energy for the cows. While the carbon foot print of milk production varies based on production systems, milk yield and farm management practices, enteric fermentation, and manure management are major contributors togreenhouse gas emissions from dairy cattle. Recent emerging evidence has revealed the existence of genetic variation for CH4 emission traits among dairy cattle, suggests their potential inclusion in breeding goals and genetic selection programs. Advancements in high-throughput sequencing technologies and analytical techniques have enabled the identification of potential metabolic biomarkers, candidate genes, and SNPs linked to methane emissions. Indeed, this review critically examines our current understanding of carbon foot print in milk production, major emission sources, rumen microbial community and enteric fermentation, and the genetic architecture of methane emission traits in dairy cattle. It also emphasizes important implications for breeding strategies aimed at halting methane emissions through selective breeding, microbiome driven breeding, breeding for feed efficiency, and breeding by gene editing.
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Affiliation(s)
- Destaw Worku
- Department of Animal Science, College of Agriculture, Food and Climate Science, Injibara University, Injibara, Ethiopia
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2
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Guo W, Wang W, Zhang Y, Zhou M. Effect of 3-Nitropropionic Acid at Different Doses on In Vitro Rumen Fermentation, Digestibility, and Methane Emissions of Grazing Yak and Cattle. Animals (Basel) 2024; 14:1804. [PMID: 38929423 DOI: 10.3390/ani14121804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 06/13/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
3-nitropropionic acid (3NPA) has been proposed as an useful modifier to mitigate ruminal enteric methane emissions. However, few studies investigated the effects of 3NPA on ruminal fermentation characteristics of grazing ruminants in vitro. Rumen fluid from grazing yak and cattle were collected and incubated with additions of 0, 8, and 16 mM 3NPA. The total gas production, CH4 production, and dry matter digestibility significantly decreased with increasing 3NPA doses in both ruminant species (p < 0.05) and methane production decreased to almost 100% in cattle at 8 mM NPA but not yak, while H2 accumulation showed an opposite trend. The total fatty acid (TVFA) production, acetate concentration, and propionate concentration in cattle decreased as 3NPA doses increased at 12 and 24 h incubation. For yak, the H2 accumulation reached its apex at 8 mM NPA (p < 0.05). The TVFA in yak decreased significantly with increasing 3NPA doses at 12 and 72 h incubation. Moreover, the acetate concentration and propionate concentration in yak decreased as 3NPA doses increased at 12 and 24 h incubation. Overall, these findings demonstrated that 3NPA could be used as a strategy to mitigate methane emissions; although, it negatively affected the dry matter degradability in vitro.
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Affiliation(s)
- Wei Guo
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
| | - Weiwei Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction in the Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
| | - Ying Zhang
- School of Public Health, Lanzhou University, Lanzhou 730000, China
| | - Mi Zhou
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2P5, Canada
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Han Y, Peng J, Du Y, Fan X. Industrialization Mitigates Greenhouse Gas Intensity in China's Dairy Sector yet May Prove Insufficient to Offset Emissions from Future Production Expansion. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024. [PMID: 38872476 DOI: 10.1021/acs.est.4c03768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
China's dairy farming is undergoing a critical transition from extensive to industrial systems. To achieve sustainable milk production within China's dual-carbon goals, understanding the multidimensional impacts of industrialization on greenhouse gas (GHG) emissions is imperative. This study comprehensively analyzed the implications of China's dairy industrialization on GHG emissions and explored future mitigation potential. Results indicated that industrial systems exhibited lower methane but higher carbon dioxide intensities, with net GHG intensity lower than other systems. During 2002-2020, China's milk production increased by 165%, while GHG emissions increased by 105% to 50.27 Tg CO2eq, accompanying an industrialization rate increased from 16% to 75%. The industrialization progress played a mitigating effect on GHG primarily through intensification within individual production systems before 2008 and transformation between systems post-2008. However, the industrialization's effect was relatively modest compared to other socio-economic factors. By 2030, 11.8 Tg CO2eq will be triggered by predicted milk production growth, but only 0.6 Tg can be offset by system transformation. Integrating measures to improve feed, herd, and manure management on industrial farms could decouple GHG emissions from milk production and achieve a carbon peak before 2030. We suggest transforming to improved industrial systems as a necessary step toward sustainable livestock production.
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Affiliation(s)
- Yuqing Han
- Institute of Environment and Ecology, Shandong Normal University, Jinan, Shandong 250358, China
| | - Jinshan Peng
- Institute of Environment and Ecology, Shandong Normal University, Jinan, Shandong 250358, China
| | - Yuanyuan Du
- Huaxin Design Group Co., Ltd., Wuxi 214100, China
| | - Xing Fan
- Institute of Environment and Ecology, Shandong Normal University, Jinan, Shandong 250358, China
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Castro-Nunez A, Buritica A, Holmann F, Ngaiwi M, Quintero M, Solarte A, Gonzalez C. Unlocking sustainable livestock production potential in the Colombian Amazon through paddock division and gender inclusivity. Sci Rep 2024; 14:13644. [PMID: 38871770 DOI: 10.1038/s41598-024-63697-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 05/31/2024] [Indexed: 06/15/2024] Open
Abstract
Low-emissions livestock production can be achieved through scaling production systems integrating trees, forages, and livestock within the same area. Such systems are known as silvopastoral production systems (SPS). However, despite SPS reported benefits, adoption rates globally remain low. This paper, therefore, aims to inform land use policy oriented towards increasing SPS adoption. This study intends to capture this by assessing SPS adoption benefits, identifying determinants of SPS adoption, and thus to contribute to policy for scaling low-emissions livestock production. Data was collected on socioeconomic status, livestock farming technical and economic indicators, and farm and paddock practices through farm-level surveys in four municipalities in the Amazon Piedmont of Colombia. Unlike previous studies that assume homogeneous farm management, when in fact, it is heterogeneous, this study assessed SPS adoption determinants using the paddock (n = 2819) as the unit of analysis. This methodological approach is consistent with paddock-level land use decisions taken by farmers based on socioeconomic and biophysical factors such as soil financial resources, type, and topography. The methodological approach allows us to provide new insights into the determinant of adopting SPS and an understanding of intra-farm level land use decisions. The results show that the adoption of SPS at both paddocks and farm levels in Caquetá is low. The main factors associated with higher SPS adoption levels at the paddock level are framed in gender, resources, and knowledge. We observe that women are more motivated to conserve the environment. Cattle paddocks managed by women, smaller in size, and those with more SPS-related projects show a tendency for medium or high SPS adoption. Furthermore, the positive relationship between access to credit and SPS adoption emphasizes the importance of financial resources tailored to SPS projects. Enhancing gender roles, improving access to finance in land use, and providing training programs on SPS systems can contribute to low-emission livestock production in Colombia. This research paper highlights the significance of implementing diverse management strategies and reaching out to farmers not involved in SPS projects. It emphasizes investments in low-emission livestock production, especially for female heads of households. This approach recognizes the broader benefits of SPS, beyond production and financial gains, promoting the division of paddocks and the adoption of SPS.
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Affiliation(s)
| | - Alexander Buritica
- International Center for Tropical Agriculture - CIAT, Cali, Colombia
- Universidad de Los Andes, Bogota, Colombia
| | - Federico Holmann
- International Center for Tropical Agriculture - CIAT, Cali, Colombia
| | - Mary Ngaiwi
- International Center for Tropical Agriculture - CIAT, Cali, Colombia
| | - Marcela Quintero
- International Center for Tropical Agriculture - CIAT, Cali, Colombia
| | - Antonio Solarte
- The Nature Conservancy - Sustainable Productive Systems Program. TNC- Colombia CO, Bogota, Colombia
| | - Carolina Gonzalez
- International Center for Tropical Agriculture - CIAT, Cali, Colombia
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Liu Y, Li X, Diao Q, Ma T, Tu Y. In-Silico and in vitro Studies Revealed that Rosmarinic Acid Inhibited Methanogenesis via Regulating Composition and Function of Rumen Microbiota. J Dairy Sci 2024:S0022-0302(24)00905-6. [PMID: 38851580 DOI: 10.3168/jds.2024-24970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 05/11/2024] [Indexed: 06/10/2024]
Abstract
Inhibition of methyl-coenzyme M reductase can suppress the activity of ruminal methanogens, thereby reducing enteric methane emissions of ruminants. However, developing specific and environmentally friendly inhibitors is a challenging endeavor. To identify a natural and effective methane inhibitor that specifically targets methyl-coenzyme M reductase, molecular docking technology was employed to screen a library of phytogenic compounds. A total of 52 candidate compounds were obtained through molecular docking technique. Rosmarinic acid (RA) was one of the compounds that could traverse a narrow channel and bind to the active sites of methyl-coenzyme M reductase, with a calculated binding free energy of -9.355 kcal/mol. Furthermore, the effects of rosmarinic acid supplementation on methane production, rumen fermentation, and the microorganism's community in dairy cows were investigated through in vitro rumen fermentation simulations according to a random design. Supplementation of RA resulted in a 15% decrease in methane production compared with the control. In addition, RA increased the molar proportion of acetate and propionate, whereas the sum of acetate and butyrate divided by propionate was decreased. At the bacterial level, the relative abundance of Rikenellaceae RC9 gut group, Christensenellaceae R7 group, Candidatus Saccharimonas, Desulfovibrio, and Lachnospiraceae FE2018 group decreased with RA supplementation. Conversely, the addition of RA significantly increased the relative abundance of DNF00809 (a genus from Eggerthellaceae), Denitrobacterium, an unclassified genus from Eggerthellaceae, an unclassified genus from Bacteroidales, and an unclassified genus from Atopobiaceae. At the archaeal level, the relative abundance of Methanobrevibacter decreased, while that of Methanosphaera increased with the RA supplementation. These findings suggested that RA has the potential to be used as a novel natural additive for inhibiting ruminal methane production.
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Affiliation(s)
- Yunlong Liu
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing, Institute of Feed Research of Chinese Academy of Agricultural Sciences, 100081, P.R. China
| | - Xiaopeng Li
- Beijing Key Laboratory of Dairy Cow Nutrition, College of Animal Science and Technology, Beijing University of Agriculture, Beijing, 102206, P.R. China
| | - Qiyu Diao
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing, Institute of Feed Research of Chinese Academy of Agricultural Sciences, 100081, P.R. China
| | - Tao Ma
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing, Institute of Feed Research of Chinese Academy of Agricultural Sciences, 100081, P.R. China.
| | - Yan Tu
- Beijing Key Laboratory for Dairy Cow Nutrition, Beijing, Institute of Feed Research of Chinese Academy of Agricultural Sciences, 100081, P.R. China.
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de Mol R, Bannink A, Dijkstra J, Walker N, van Gastelen S. The effect of feeding and visiting behavior on methane and hydrogen emissions of dairy cattle measured with the GreenFeed system under different dietary conditions. J Dairy Sci 2024:S0022-0302(24)00853-1. [PMID: 38825123 DOI: 10.3168/jds.2024-24673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 04/11/2024] [Indexed: 06/04/2024]
Abstract
The objectives were to investigate the effect of feeding and visiting behavior of dairy cattle on CH4 and H2 production measured with voluntary visits to the GreenFeed system (GF) and to determine whether these effects depended on basal diet (BD) and 3-nitrooxypropanol (3-NOP) supplementation. The experiment involved 64 lactating dairy cattle (146 ± 45 d in milk at the start of trial; mean ± SD) in 2 overlapping crossover trials, each consisting of 2 measurement periods. Cows within block were randomly allocated to 1 of 3 types of BD: a grass silage-based diet consisting of 30% concentrates and 70% grass silage (DM basis), a grass silage- and corn silage-mixed diet consisting of 30% concentrates, 42% grass silage, and 28% corn silage (DM basis), or a corn silage-based diet consisting of 30% concentrates, 14% grass silage, and 56% corn silage (DM basis). Each type of BD was subsequently supplemented with 0 and 60 mg 3-NOP/kg DM in one crossover, or 0 and 80 mg 3-NOP/kg DM in the other crossover. Diets were provided in feed bins which automatically recorded feed intake and feeding behavior, with additional concentrate fed in the GF. All visits to the GF that resulted in a spot measurement of both CH4 and H2 emission were analyzed in relation to feeding behavior (e.g., meal size and time interval to preceding meal) as well as GF visiting behavior (e.g., duration of visit). Feeding and GF visiting behavior was related to CH4 and H2 production measured with the GF, in particular the meal size before a GF measurement and the time interval between a GF measurement and the preceding meal. Relationships between gas production and both feeding and GF visiting behavior were affected both by type of BD and 3-NOP supplementation. With an increase of the time interval between a GF measurement and the preceding meal, CH4 production decreased with 0 mg 3-NOP/kg DM but increased with 60 and 80 mg 3-NOP/kg DM, whereas type of BD did not affect these relationships. In contrast, CH4 production increased with 0 mg 3-NOP/kg DM but decreased with 60 and 80 mg 3-NOP/kg DM upon an increase in the size of the meal preceding a GF measurement. With an increase of the time interval between a GF measurement and the preceding meal, or with a decrease of the size of the meal preceding a GF measurement, H2 production decreased for all treatments, although the effect was generally somewhat stronger for 60 and 80 mg 3-NOP/kg DM than for 0 mg 3-NOP/kg DM. Hence, the timing of GF measurements next to feeding and GF visiting behavior are essential when assessing the effect of dietary treatment on the production of CH4 and H2 in a setting where a spot sampling device such as a GF is used and where the measurements depend on voluntary visits from the cows.
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Affiliation(s)
- Rudi de Mol
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands
| | - André Bannink
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands
| | - Jan Dijkstra
- Animal Nutrition Group, Wageningen University & Research, PO Box 338, 6700 AH, Wageningen, the Netherlands
| | - Nicola Walker
- DSM Nutritional Products, Animal Nutrition & Health, PO Box 2676, 4002 Basel, Switzerland
| | - Sanne van Gastelen
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands.
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de Ondarza MB, de Souza VC, Kebreab E, Tricarico JM. Understanding potential opportunities and risks associated with feeding supplemental rumen available fats to mitigate enteric methane emissions in lactating dairy cows. J Dairy Sci 2024:S0022-0302(24)00836-1. [PMID: 38825101 DOI: 10.3168/jds.2023-24528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 04/30/2024] [Indexed: 06/04/2024]
Abstract
Supplemental dietary rumen available fats show promise as enteric methane (eCH4) mitigators for lactating dairy cows. However, concerns include variability in eCH4 response and possible negative effects on dairy cow performance. Successful implementation of this mitigation option requires better prediction of responses specifically to rumen available FA as well as understanding the modulating effects of other dietary and animal characteristics. Using meta-analytic and meta-regression techniques, 35 published studies with diet definition were used to assess changes in eCH4 emissions and lactation performance associated with supplemental fat, specific supplemental rumen available FA types, and other dietary characteristics. Enteric CH4 (g/d) was reduced by 3.77% per percentage unit of supplemental rumen available EE (RAEE). Supplemental rumen available PUFA (C18:2 and C18:3) and UFA (C18:1, C18:2, C18:3) mitigated eCH4 (g/d) emissions in dairy cows by 6.88 and 4.65% per percentage unit increase, respectively. The anti-methanogenic effects of PUFA, MUFA and MCFA increased with correspondingly greater basal dietary levels of each FA type. Higher rumen-degradable starch (RDS; > 18% DM) in the basal diet promoted greater reductions in eCH4 yield (eCH4/DMI, g/kg) with supplemental rumen available PUFA and UFA. Both milk fat percentage and yield (kg/d) were reduced with rumen available fat supplementation with a reduction of 7.8% and 6.0%, respectively, relative to control diets. Our results highlight the importance of determining basal levels of the rumen available FA before providing supplemental rumen available FA as an option for enteric eCH4 mitigation. Dairy nutritionists can use estimates generated from this analysis to predict changes in eCH4 emissions and dairy cow performance associated with dietary supplementation of rumen available EE and specific rumen available FA types for the purpose of eCH4 mitigation.
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Affiliation(s)
| | - Vinícius Carneiro de Souza
- Department of Animal Science, University of California, Davis, 2111 Meyer Hall, One Shields Avenue, Davis, CA, 95618, USA
| | - Ermias Kebreab
- Department of Animal Science, University of California, Davis, 2111 Meyer Hall, One Shields Avenue, Davis, CA, 95618, USA
| | - Juan M Tricarico
- Dairy Management Inc., 10255 W. Higgins Road, Suite 900, Rosemont, IL 60018, USA.
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Della Rosa MM, Jonker A, Janssen PH, Reid P, Pacheco D, Muetzel S. Effect of buffer pH on methane production and fermentation characteristics of three forages tested in vitro. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024. [PMID: 38816930 DOI: 10.1002/jsfa.13610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 04/09/2024] [Accepted: 05/11/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND Low rumen pH is proposed to be a major mechanism for low methane (CH4) emissions from sheep fed forage rape. However, it is difficult to separate this from other in vivo factors, such as rumen passage rate. The objective of this study was to determine the effect of pH alone on CH4 production in vitro using different pH buffers. Ryegrass, white clover and forage rape were incubated in vitro using three different incubation buffers with starting pH values of 5.5, 6.2 and 6.8. RESULTS Decreasing pH reduced overall in vitro CH4 emission relative to fermented hexoses (CH4/FHex) by up to 54% and overall fermentation by 40%. pH also changed fermentation profiles where the acetate + butyrate to propionate + valerate ratio decreased when pH decreased. Within the three forages, forage rape led to the lowest CH4/FHex, but only in pH 5.5 and 6.2 buffer, and this was enhanced when the pH fell below 6. CONCLUSION Reducing pH in vitro decreased CH4 production and overall fermentation across all forages. The lower pH reached by forage rape compared to ryegrass and white clover appears to drive the lower CH4 production relative to the extent of fermentation from forage rape compared to the other forages. © 2024 The Author(s). Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Maria M Della Rosa
- AgResearch Limited, Grasslands Research Centre, Palmerston North, New Zealand
| | - Arjan Jonker
- AgResearch Limited, Grasslands Research Centre, Palmerston North, New Zealand
| | - Peter H Janssen
- AgResearch Limited, Grasslands Research Centre, Palmerston North, New Zealand
| | - Peter Reid
- AgResearch Limited, Grasslands Research Centre, Palmerston North, New Zealand
| | - David Pacheco
- AgResearch Limited, Grasslands Research Centre, Palmerston North, New Zealand
| | - Stefan Muetzel
- AgResearch Limited, Grasslands Research Centre, Palmerston North, New Zealand
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Marcos CN, Carro MD, Gutiérrez-Rivas M, Atxaerandio R, Goiri I, García-Rodríguez A, González-Recio O. Ruminal microbiome changes across lactation in primiparous Holstein cows with varying methane intensity: Heritability assessment. J Dairy Sci 2024:S0022-0302(24)00815-4. [PMID: 38788852 DOI: 10.3168/jds.2023-24552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 04/02/2024] [Indexed: 05/26/2024]
Abstract
Methane is a potent greenhouse gas produced during the ruminal fermentation and is associated with a loss of feed energy. Therefore, efforts to reduce methane emissions have been ongoing in the last decades. Methane production is highly influenced by factors such as the ruminal microbiome and host genetics. Previous studies have proposed to use the ruminal microbiome to reduce long-term methane emissions, as ruminal microbiome composition is a moderately heritable trait and genetic improvement accumulates over time. Lactation stage is another important factor that might influence methane production but potential associations with the ruminal microbiome have not been evaluated previously. This study sought to examine the changes in ruminal microbiome over the lactation period of primiparous Holstein cows differing in methane intensity and estimate the heritability of the abundance of relevant microorganisms. Ruminal content samples from 349 primiparous Holstein cows with 14 - 378 d in milk were collected from May 2018 to June 2019. Methane intensity (MI) of each cow was calculated as methane concentration/milk yield. Up to 64 taxonomic features (TF) from 20 phyla had a significant differential abundance between cows with low and high MI early in lactation, 16 TF during mid lactation, and none late in lactation. Taxonomical features within the Firmicutes, Proteobacteria, Melainabacteria, Cyanobacteria, Bacteroidetes and Actinobacteria phyla were associated to low MI, whereas eukaryotic TF and those within the Euryarchaeota, Verrucomicrobia, Kiritimatiellaeota, Lentisphaerae phyla were associated to high MI. Out of the 60 TF that were found to be differentially abundant between early and late lactation in cows with low MI, 56 TF were also significant when cows with low and high MI were compared in the first third of the lactation. In general, microbes associated with low MI were more abundant early in lactation (e.g., Acidaminococcus, Aeromonas and Weimeria genera) and showed low to moderate heritabilities (0.03 to 0.33). These results suggest some potential to modulate the rumen microbiome composition through selective breeding for lower MI. Differences in the ruminal microbiome of cows with extreme MI levels likely result from variations in the ruminal physiology of these cows and were more noticeable early in lactation probably due to important interactions between the host phenotype and environmental factors associated to that period. Our results suggest that the ruminal microbiome evaluated early in lactation may be more precise for MI difference, and hence, this should be considered to optimize sampling periods to establish a reference population in genomic selection scenarios.
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Affiliation(s)
- C N Marcos
- Departamento de Producción Agraria, ETSIAAB, Universidad Politécnica de Madrid, Ciudad Universitaria, 28040 Madrid; Departamento de Mejora Genética Animal, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria - CSIC, Carretera de la Coruña km 7.5, 28040 Madrid.
| | - M D Carro
- Departamento de Producción Agraria, ETSIAAB, Universidad Politécnica de Madrid, Ciudad Universitaria, 28040 Madrid
| | - M Gutiérrez-Rivas
- Departamento de Mejora Genética Animal, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria - CSIC, Carretera de la Coruña km 7.5, 28040 Madrid
| | - R Atxaerandio
- NEIKER - Instituto Vasco de Investigación y Desarrollo Agrario. Basque Research and Technology Alliance (BRTA), Campus Agroalimentario de Arkaute s/n, 01192 Arkaute
| | - I Goiri
- NEIKER - Instituto Vasco de Investigación y Desarrollo Agrario. Basque Research and Technology Alliance (BRTA), Campus Agroalimentario de Arkaute s/n, 01192 Arkaute
| | - A García-Rodríguez
- NEIKER - Instituto Vasco de Investigación y Desarrollo Agrario. Basque Research and Technology Alliance (BRTA), Campus Agroalimentario de Arkaute s/n, 01192 Arkaute
| | - O González-Recio
- Departamento de Mejora Genética Animal, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria - CSIC, Carretera de la Coruña km 7.5, 28040 Madrid
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10
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Ma X, Räisänen SE, Garcia-Ascolani ME, Bobkov M, He T, Islam MZ, Li Y, Peng R, Reichenbach M, Serviento AM, Soussan E, Sun X, Wang K, Yang S, Zeng Z, Niu M. Effects of 3-nitrooxypropanol (3-NOP, Bovaer®10) and whole cottonseed on milk production and enteric methane emissions from dairy cows under Swiss management conditions. J Dairy Sci 2024:S0022-0302(24)00801-4. [PMID: 38762115 DOI: 10.3168/jds.2023-24460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 03/29/2024] [Indexed: 05/20/2024]
Abstract
The objective of this study was to determine the potential effect and interaction of 3- nitrooxypropanol (3-NOP; Bovaer®) and whole cottonseed (WCS) on lactational performance, and enteric methane (CH4) emission of dairy cows. A total of 16 multiparous cows, including 8 Holstein Friesian (HF) and 8 Brown Swiss (BS) [224 ± 36 d in milk, 26 ± 3.7 kg milk yield], were used in a split-plot design, where the main plot was the breed of cows. Within each subplot, cows were randomly assigned to a treatment sequence in a replicated 4 × 4 Latin Square design with 2 × 2 factorial arrangements of treatments with 4, 24-d periods. The experimental treatments were: 1) Control (basal TMR), 2) 3-NOP (60 mg/kg TMR DM), 3) WCS (5% TMR DM), and 4) 3-NOP + WCS. The treatment diets were balanced for ether extract, crude protein, and NDF contents (4%, 16%, and 43% of TMR DM, respectively). The basal diets were fed twice daily at 0800 and 1800 h. Dry matter intake (DMI) and milk yield were measured daily, and enteric gas emissions were measured (using the GreenFeed system) during the last 3 d of each 24-d experimental period when animals were housed in tie stalls. There was no difference in DMI on treatment level, whereas the WCS treatment increased ECM yield and milk fat yield. There was no interaction of 3-NOP and WCS for any of the enteric gas emission parameters, but 3-NOP decreased CH4 production (g/d), CH4 yield (g/kg DMI), and CH4 intensity (g/kg ECM) by 13, 14 and 13%, respectively. Further, an unexpected interaction of breed by 3-NOP was observed for different enteric CH4 emission metrics: HF cows had a greater CH4 mitigation effect compared with BS cows for CH4 production (g/d; 18 vs. 8%), CH4 intensity (g/kg MY; 19% vs. 3%) and CH4 intensity (g/kg ECM; 19 vs. 4%). Hydrogen production was increased by 2.85 folds in HF and 1.53 folds in BS cows receiving 3-NOP. Further, there was a 3-NOP ' Time interaction for both breeds. In BS cows, 3-NOP tended to reduce CH4 production by 18% at around 4 h after morning feeding but no effect was observed at other time points. In HF cows, the greatest mitigation effect of 3-NOP (29.6%) was observed immediately after morning feeding and it persisted at around 23% to 26% for 10 h until the second feed provision, and 3 h thereafter, in the evening. In conclusion, supplementing 3-NOP at 60 mg/kg DM to a high fiber diet resulted in 18 to 19% reduction in enteric CH4 emission in Swiss Holstein Friesian cows. The lower response to 3-NOP by BS cows was unexpected and has not been observed in other studies. These results should be interpreted with caution due to low number of cows per breed. Lastly, supplementing WCS at 5% of DM improved ECM and milk fat yield but did not enhance CH4 inhibition effect of 3-NOP of dairy cows.
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Affiliation(s)
- X Ma
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - S E Räisänen
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - M E Garcia-Ascolani
- Nestlé Institute of Agricultural Sciences, Société des Produits Nestlé S. A., Lausanne, Switzerland
| | - M Bobkov
- Nestlé Institute of Agricultural Sciences, Société des Produits Nestlé S. A., Lausanne, Switzerland
| | - T He
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - M Z Islam
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - Y Li
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - R Peng
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - M Reichenbach
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - A M Serviento
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - E Soussan
- Nestlé Institute of Agricultural Sciences, Société des Produits Nestlé S. A., Lausanne, Switzerland
| | - X Sun
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - K Wang
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - S Yang
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - Z Zeng
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - M Niu
- Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland.
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11
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Ungerfeld EM, Pitta D. Review: Biological consequences of the inhibition of rumen methanogenesis. Animal 2024:101170. [PMID: 38772773 DOI: 10.1016/j.animal.2024.101170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 05/23/2024] Open
Abstract
Decreasing enteric CH4 emissions from ruminants is important for containing global warming to 1.5 °C and avoid the worst consequences of climate change. However, the objective of mitigating enteric CH4 emissions is difficult to reconcile with the forecasted increase in production of ruminant meat and milk, unless CH4 production per animal and per kilogram of animal product are decreased substantially. Chemical compound 3-nitrooxypropanol and bromoform-containing red algae Asparagopsis are currently the most potent inhibitors of rumen methanogenesis, but their average efficacy would have to be increased to mitigate enteric CH4 emissions to contain global warming to 1.5 °C, if the demand for ruminant products increases as predicted. We propose that it may be possible to enhance the efficacy of inhibitors of methanogenesis through understanding the mechanisms that cause variation in their efficacy across studies. We also propose that a more thorough understanding of the effects of inhibiting methanogenesis on rumen and postabsorptive metabolism may help improve feed efficiency and cost-effectiveness as co-benefits of the methanogenesis inhibition intervention. For enhancing efficacy, we examine herein how different inhibitors of methanogenesis affect the composition of the rumen microbial community and discuss some mechanisms that may explain dissimilar sensitivities among methanogens to different types of inhibitors. For improving feed efficiency and cost-effectiveness, we discuss the consequences of inhibiting methanogenesis on rumen fermentation, and how changes in rumen fermentation can in turn affect postabsorptive metabolism and animal performance. The objectives of this review are to identify knowledge gaps of the consequences of inhibiting methanogenesis on rumen microbiology and rumen and postabsorptive metabolism, propose research to address those knowledge gaps and discuss the implications that this research can have for the efficacy and adoption of inhibitors of methanogenesis. Depending on its outcomes, research on the microbiological, biochemical, and metabolic consequences of the inhibition of rumen methanogenesis could help the adoption of feed additives inhibitors of methanogenesis to mitigate enteric CH4 emissions from ruminants to ameliorate climate change.
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Affiliation(s)
- E M Ungerfeld
- Centro Regional de Investigación Carillanca, Instituto de Investigaciones Agropecuarias INIA, Camino Cajón a Vilcún km 10, 4880000 Vilcún, La Araucanía, Chile.
| | - D Pitta
- Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, New Bolton Center, 19348 Kenneth Square, PA, United States
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12
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Räisänen SE, Sigurðardóttir ÞH, Halmemies-Beauchet-Filleau A, Pitkänen O, Vanhatalo A, Sairanen A, Kokkonen T. Ruminal methane emission and lactational performance of cows fed rapeseed cake and oats on a grass silage-based diet. J Dairy Sci 2024:S0022-0302(24)00757-4. [PMID: 38642648 DOI: 10.3168/jds.2023-24437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 03/12/2024] [Indexed: 04/22/2024]
Abstract
The objective of this experiment was to investigate the effect of lipid from rapeseed cake and oats on ruminal CH4 emission and lactational performance of dairy cows. Twelve lactating Nordic Red cows, of which 4 primiparous, and averaging (±SD) 48 ± 22.9 DIM, 37.8 ± 7.14 kg/d milk yield were enrolled in a switch-back design experiment with 3 periods of 4 wk each. The cows were assigned into 6 pairs based on parity and days-in-milk, milk yield, and body weight at the beginning of the experiment. The experimental treatments were 1) rapeseed cake and oats (RSC+O), and 2) rapeseed meal and barley (RSM+B) as the concentrate feeds. Cows in each pair were randomly assigned to one of the 2 groups, which received the treatments in 2 different sequences, i.e., group 1 received RSC+O in period 1 and 3, and RSM+B in period 2, whereas group 2 was fed RSM+B in period 1 and 3, and RSC+O in period 2. The diets consisted of a partially mixed ration with grass silage mixed with either oats or barley, according to the treatment sequence, and the rapeseed cake or meal being mixed into a pellet with either oats or barley according to the treatments, and a mineral mix. The pellet was delivered at a fixed amount (i.e., 6 kg/d for multiparous and 5 kg/d for the primiparous cows) from the milking robot. The actual forage to concentrate ratios for RSC+O and RSM+B were 51:49 and 52:48, respectively, with NDF concentrations of 41.5 and 36.0% and CP concentrations of 17.0 and 16.7% of diet DM. Dry matter intake, milk yield, and gas exchange (with a GreenFeed system attached to the milking robot) were recorded daily, and milk composition and spot fecal samples were collected during the last wk of each period. Based on feed analysis, and dry matter intake of the cows during the experiment, the total fat content of the experimental diets was 4.1 and 2.7% of DM for RSC+O and RSM+B diets, respectively. Dry matter intake was 1.5 kg/d lower, and milk yield tended to be 1.0 kg/d greater for RSC+O vs. RSM+B. There were no differences in energy-corrected milk yield and milk composition between the treatments, while milk metabolizable energy efficiency was greater for cows fed RSC+O than RSM+B. Methane yield (g/kg dry matter intake) did not differ between treatments, but CH4 production (g/d) was 9.4% and CH4 intensity as g/kg energy-corrected milk was 11.7% lower for RSC+O vs. RSM+B. The lower CH4 production was likely caused by the lower DMI and fiber digestibility, observed with the RSC+O diet. In addition, the greater lipid intake also contributed to lower rate of fermentation and subsequent decrease in CH4 production. Overall, feeding rapeseed cake with oats in a grass silage-based diet increased feed efficiency while decreasing CH4 emission intensity in lactating cows. This provides a practical way of mitigating ruminal CH4 emission from dairy operations while maintaining milk production with commonly utilized feed stuffs in Nordic conditions.
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Affiliation(s)
- S E Räisänen
- Department of Agricultural Sciences, University of Helsinki, FI-00014 Helsinki, Finland; Department of Environmental Systems Science, Institute of Agricultural Sciences, ETH Zürich, Zürich 8092, Switzerland
| | - Þ H Sigurðardóttir
- Department of Agricultural Sciences, University of Helsinki, FI-00014 Helsinki, Finland
| | | | - O Pitkänen
- Department of Agricultural Sciences, University of Helsinki, FI-00014 Helsinki, Finland
| | - A Vanhatalo
- Department of Agricultural Sciences, University of Helsinki, FI-00014 Helsinki, Finland
| | - A Sairanen
- Natural Resources Institute Finland (Luke), Halolantie 31 A, 71750 Maaninka, Finland
| | - T Kokkonen
- Department of Agricultural Sciences, University of Helsinki, FI-00014 Helsinki, Finland.
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13
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Lokuge GMS, Larsen MK, Maigaard M, Wiking L, Larsen LB, Lund P, Poulsen NA. Effects of feeding whole-cracked rapeseeds, nitrate, and 3-nitrooxypropanol on protein composition, minerals, and vitamin B in milk from Danish Holstein cows. J Dairy Sci 2024:S0022-0302(24)00642-8. [PMID: 38580150 DOI: 10.3168/jds.2023-24372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 02/26/2024] [Indexed: 04/07/2024]
Abstract
The present study was conducted to assess the individual or combined effects of feeding dietary fat (whole-cracked rapeseed), nitrate, and 3-nitrooxypropanol (3-NOP) on protein profile, mineral composition, B vitamins, and nitrate residues in milk from dairy cows. Forty-eight Danish Holstein cows used in an 8 × 8 incomplete Latin square design were fed 8 factorially arranged diets ((30 or 63 g crude fat/kg DM) × (0 or 10 g nitrate/kg DM) × (0 or 80 mg 3-NOP/kg DM)) over 6 periods of 21 d each. In each period, milk samples were collected from individual cows during the third week by pooling milk obtained from 4 consecutive milkings, and analyzed for protein profile including protein modifications, mineral composition, riboflavin, cobalamin, and presence of nitrate residues. Fat supplementation led to an increase in the phosphorylation degree of αS1-CN by 8.5% due to a decreased relative proportion of αS1-CN 8P and an increased relative proportion of αS1-CN 9P and further to a decrease in the relative proportion of αS2-CN by 2.4%. Additionally, fat supplementation decreased the relative proportions of glycosylated and unglycosylated forms of κ-CN, consequently leading to a 3.6% decrease in total κ-CN. In skim milk, K, Ca, P, and Mg concentrations were altered by individual use of fat, nitrate, and 3-NOP. Feeding nitrate resulted in a 5.4% increase in riboflavin concentration in milk while supplementing 3-NOP increased cobalamin concentration in milk by 21.1%. The nitrate concentration in milk was increased upon feeding nitrate however, this increased concentration was well below the maximum permissible limit of nitrate in milk (<50 mg/L). In conclusion, no major changes were observed in milk protein, and mineral compositions by feeding fat, nitrate, and 3-NOP to dairy cows while the increased riboflavin and cobalamin by nitrate and 3-NOP, respectively, could be of beneficial nutritional value for milk consumers.
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Affiliation(s)
- Gayani M S Lokuge
- Department of Food Science, Aarhus University, Agro Food Park 48, DK-8200 Aarhus N, Denmark.
| | - Mette K Larsen
- Arla Foods Ingredients, ARINCO, Maelkevejen 4, DK-6920 Videbæk, Denmark
| | - M Maigaard
- Department of Animal and Veterinary Sciences, Aarhus University, AU Viborg - Research Centre Foulum, Blichers Allé 20, DK-8830 Tjele, Denmark
| | - L Wiking
- Department of Food Science, Aarhus University, Agro Food Park 48, DK-8200 Aarhus N, Denmark
| | - L B Larsen
- Department of Food Science, Aarhus University, Agro Food Park 48, DK-8200 Aarhus N, Denmark
| | - P Lund
- Department of Animal and Veterinary Sciences, Aarhus University, AU Viborg - Research Centre Foulum, Blichers Allé 20, DK-8830 Tjele, Denmark
| | - N A Poulsen
- Department of Food Science, Aarhus University, Agro Food Park 48, DK-8200 Aarhus N, Denmark
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14
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Verkuijl C, Dutkiewicz J, Scherer L, Behrens P, Lazarus M, Hötzel MJ, Nordquist R, Hayek M. FAO's 1.5 °C roadmap for food systems falls short. NATURE FOOD 2024; 5:264-266. [PMID: 38499746 DOI: 10.1038/s43016-024-00950-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Affiliation(s)
- Cleo Verkuijl
- Stockholm Environment Institute US, Somerville, MA, USA.
- Brooks McCormick Jr. Animal Law and Policy Program, Harvard Law School, Cambridge, MA, USA.
| | | | - Laura Scherer
- Institute of Environmental Sciences (CML), Leiden University, Leiden, the Netherlands
| | - Paul Behrens
- Institute of Environmental Sciences (CML), Leiden University, Leiden, the Netherlands
| | | | | | - Rebecca Nordquist
- Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Matthew Hayek
- Department of Environmental Studies, New York University, New York, NY, USA
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15
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Lambo MT, Ma H, Liu R, Dai B, Zhang Y, Li Y. Review: Mechanism, effectiveness, and the prospects of medicinal plants and their bioactive compounds in lowering ruminants' enteric methane emission. Animal 2024; 18:101134. [PMID: 38593679 DOI: 10.1016/j.animal.2024.101134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 03/07/2024] [Accepted: 03/08/2024] [Indexed: 04/11/2024] Open
Abstract
Animal nutritionists continue to investigate new strategies to combat the challenge of methane emissions from ruminants. Medicinal plants (MPs) are known to be beneficial to animal health and exert functional roles in livestock due to their phytogenic compounds with antimicrobial, immunostimulatory, antioxidative, and anti-inflammatory activities. Some MP has been reported to be anti-methanogenic and can effectively lower ruminants' enteric methane emissions. This review overviews trends in MP utilization in ruminants, their bioactivity and their effectiveness in lowering enteric methane production. It highlights the MP regulatory mechanism and the gaps that must be critically addressed to improve its efficacy. MP could reduce enteric methane production by up to 8-50% by regulating the rumen fermentation pathway, directing hydrogen toward propionogenesis, and modifying rumen diversity, structure, and population of the methanogens and protozoa. Yet, factors such as palatability, extraction techniques, and economic implications must be further considered to exploit their potential fully.
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Affiliation(s)
- M T Lambo
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - H Ma
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - R Liu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - B Dai
- College of Electrical Engineering and Information, Northeast Agricultural University, Harbin 150030, China
| | - Y Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Y Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China.
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16
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Pepeta BN, Hassen A, Tesfamariam EH. Quantifying the Impact of Different Dietary Rumen Modulating Strategies on Enteric Methane Emission and Productivity in Ruminant Livestock: A Meta-Analysis. Animals (Basel) 2024; 14:763. [PMID: 38473148 DOI: 10.3390/ani14050763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/09/2024] [Accepted: 02/13/2024] [Indexed: 03/14/2024] Open
Abstract
A meta-analysis was conducted with an aim to quantify the beneficial effects of nine different dietary rumen modulating strategies which includes: the use of plant-based bioactive compounds (saponin, tannins, oils, and ether extract), feed additives (nitrate, biochar, seaweed, and 3-nitroxy propanol), and diet manipulation (concentrate feeding) on rumen fermentation, enteric methane (CH4) production (g/day), CH4 yield (g/kg dry matter intake) and CH4 emission intensity (g/kg meat or milk), and production performance parameters (the average daily gain, milk yield and milk quality) of ruminant livestock. The dataset was constructed by compiling global data from 110 refereed publications on in vivo studies conducted in ruminants from 2005 to 2023 and anlayzed using a meta-analytical approach.. Of these dietary rumen manipulation strategies, saponin and biochar reduced CH4 production on average by 21%. Equally, CH4 yield was reduced by 15% on average in response to nitrate, oils, and 3-nitroxy propanol (3-NOP). In dairy ruminants, nitrate, oils, and 3-NOP reduced the intensity of CH4 emission (CH4 in g/kg milk) on average by 28.7%. Tannins and 3-NOP increased on average ruminal propionate and butyrate while reducing the acetate:propionate (A:P) ratio by 12%, 13.5% and 13%, respectively. Oils increased propionate by 2% while reducing butyrate and the A:P ratio by 2.9% and 3.8%, respectively. Use of 3-NOP increased the production of milk fat (g/kg DMI) by 15% whereas oils improved the yield of milk fat and protein (kg/d) by 16% and 20%, respectively. On the other hand, concentrate feeding improved dry matter intake and milk yield (g/kg DMI) by 23.4% and 19%, respectively. However, feed efficiency was not affected by any of the dietary rumen modulating strategies. Generally, the use of nitrate, saponin, oils, biochar and 3-NOP were effective as CH4 mitigating strategies, and specifically oils and 3-NOP provided a co-benefit of improving production parameters in ruminant livestock. Equally concentrate feeding improved production parameters in ruminant livestock without any significant effect on enteric methane emission. Therefore, it is advisable to refine further these strategies through life cycle assessment or modelling approaches to accurately capture their influence on farm-scale production, profitability and net greenhouse gas emissions. The adoption of the most viable, region-specific strategies should be based on factors such as the availability and cost of the strategy in the region, the specific goals to be achieved, and the cost-benefit ratio associated with implementing these strategies in ruminant livestock production systems.
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Affiliation(s)
- Bulelani N Pepeta
- Department of Animal Science, University of Pretoria, Private Bag X20, Hatfield, Pretoria 0028, South Africa
| | - Abubeker Hassen
- Department of Animal Science, University of Pretoria, Private Bag X20, Hatfield, Pretoria 0028, South Africa
| | - Eyob H Tesfamariam
- Department of Plant and Soil Science, University of Pretoria, Private Bag X20, Hatfield, Pretoria 0028, South Africa
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17
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van Gastelen S, Burgers EEA, Dijkstra J, de Mol R, Muizelaar W, Walker N, Bannink A. Long-term effects of 3-nitrooxypropanol on methane emission and milk production characteristics in Holstein Friesian dairy cows. J Dairy Sci 2024:S0022-0302(24)00500-9. [PMID: 38395398 DOI: 10.3168/jds.2023-24198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 01/24/2024] [Indexed: 02/25/2024]
Abstract
The objective was to determine the long-term effect of 3-nitrooxypropanol (3-NOP) on CH4 emission and milk production characteristics from dairy cows receiving 3-NOP in their diet for a full year, covering all lactation stages of the dairy cows. Sixty-four late-lactation Holstein Friesian cows (34% primiparous) were blocked in pairs, based on expected calving date, parity, and daily milk yield. The experiment started with an adaptation period of 1 week followed by a covariate period of 3 weeks in which all cows received the same basal diet and baseline measurements were performed. Directly after, cows within a block were randomly allocated to 1 of 2 dietary treatments: a diet containing on average 69.8 mg 3-NOP/kg DM (total ration level, corrected for intake of non-supplemented GreenFeed bait) and a diet containing a placebo. Forage composition as well as forage to concentrate ratio altered with lactation stage (i.e., dry period and early, mid, and late lactation). Diets were provided as a total mixed ration and additional bait was fed in GreenFeed units which were used for emission measurements. Supplementation of 3-NOP did not affect total dry matter intake (DMI), body weight or body condition score, but resulted in a 6.5% increase in the yields of energy-corrected milk and fat- and protein-corrected milk (FPCM). Furthermore, milk fat and protein as well as feed efficiency were increased upon 3-NOP supplementation. Overall, a reduction of 21%, 20%, and 27% was achieved for CH4 production (g/d), yield (g/kg DMI), and intensity (g/kg FPCM), respectively, upon 3-NOP supplementation. The CH4 mitigation potential of 3-NOP was affected by the lactation stage dependent diet to which 3-NOP was supplemented. On average, a 16%, 20%, 16%, and 26% reduction in CH4 yield (g/kg DMI) was achieved upon 3-NOP supplementation for the dry period, and early, mid, and late lactation diet, respectively. The CH4 mitigation potential of 3-NOP was affected by the length of 3-NOP supplementation within a lactation stage dependent diet and by variation in diet composition within a lactation stage dependent diet as a result of changes in grass and corn silage silos. In conclusion, 3-NOP reduced CH4 emission from cows receiving 3-NOP for a year, with a positive impact on production characteristics. The CH4 mitigation potential of 3-NOP was influenced by diet type, diet composition, and nutrition value, and the efficacy of 3-NOP appeared to decline over time but not continuously. Associated with changes in diet composition, increased efficacy of 3-NOP was observed at the start of the trial, at the start of a new lactation, and, importantly, at the end of the trial. These results suggests that diet composition has a large effect on the efficacy of 3-NOP, perhaps even larger than the week of supplementation after first introduction of 3-NOP. Further studies are needed to clarify the long-term effect of 3-NOP on CH4 emission and to further investigate the effect that variation in diet composition may have on the mitigation potential of 3-NOP.
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Affiliation(s)
- Sanne van Gastelen
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands.
| | - Eline E A Burgers
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands
| | - Jan Dijkstra
- Animal Nutrition Group, Wageningen University & Research, PO Box 338, 6700 AH, Wageningen, the Netherlands
| | - Rudi de Mol
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands
| | - Wouter Muizelaar
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands
| | - Nicola Walker
- DSM Nutritional Products, Animal Nutrition & Health, PO Box 2676, 4002 Basel, Switzerland
| | - André Bannink
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands
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18
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Roques S, Martinez-Fernandez G, Ramayo-Caldas Y, Popova M, Denman S, Meale SJ, Morgavi DP. Recent Advances in Enteric Methane Mitigation and the Long Road to Sustainable Ruminant Production. Annu Rev Anim Biosci 2024; 12:321-343. [PMID: 38079599 DOI: 10.1146/annurev-animal-021022-024931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Mitigation of methane emission, a potent greenhouse gas, is a worldwide priority to limit global warming. A substantial part of anthropogenic methane is emitted by the livestock sector, as methane is a normal product of ruminant digestion. We present the latest developments and challenges ahead of the main efficient mitigation strategies of enteric methane production in ruminants. Numerous mitigation strategies have been developed in the last decades, from dietary manipulation and breeding to targeting of methanogens, the microbes that produce methane. The most recent advances focus on specific inhibition of key enzymes involved in methanogenesis. But these inhibitors, although efficient, are not affordable and not adapted to the extensive farming systems prevalent in low- and middle-income countries. Effective global mitigation of methane emissions from livestock should be based not only on scientific progress but also on the feasibility and accessibility of mitigation strategies.
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Affiliation(s)
- Simon Roques
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, Saint-Genes-Champanelle, France; , ,
| | | | - Yuliaxis Ramayo-Caldas
- Animal Breeding and Genetics Program, Institute of Agrifood Research and Technology (IRTA), Torre Marimon, Caldes de Montbui, Spain;
| | - Milka Popova
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, Saint-Genes-Champanelle, France; , ,
| | - Stuart Denman
- Agriculture and Food, CSIRO, St. Lucia, Queensland, Australia; ,
| | - Sarah J Meale
- School of Agriculture and Food Sustainability, Faculty of Science, University of Queensland, Gatton, Queensland, Australia;
| | - Diego P Morgavi
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, Saint-Genes-Champanelle, France; , ,
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19
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Monteiro HF, Figueiredo CC, Mion B, Santos JEP, Bisinotto RS, Peñagaricano F, Ribeiro ES, Marinho MN, Zimpel R, da Silva AC, Oyebade A, Lobo RR, Coelho WM, Peixoto PMG, Ugarte Marin MB, Umaña-Sedó SG, Rojas TDG, Elvir-Hernandez M, Schenkel FS, Weimer BC, Brown CT, Kebreab E, Lima FS. An artificial intelligence approach of feature engineering and ensemble methods depicts the rumen microbiome contribution to feed efficiency in dairy cows. Anim Microbiome 2024; 6:5. [PMID: 38321581 PMCID: PMC10845535 DOI: 10.1186/s42523-024-00289-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 01/17/2024] [Indexed: 02/08/2024] Open
Abstract
Genetic selection has remarkably helped U.S. dairy farms to decrease their carbon footprint by more than doubling milk production per cow over time. Despite the environmental and economic benefits of improved feed and milk production efficiency, there is a critical need to explore phenotypical variance for feed utilization to advance the long-term sustainability of dairy farms. Feed is a major expense in dairy operations, and their enteric fermentation is a major source of greenhouse gases in agriculture. The challenges to expanding the phenotypic database, especially for feed efficiency predictions, and the lack of understanding of its drivers limit its utilization. Herein, we leveraged an artificial intelligence approach with feature engineering and ensemble methods to explore the predictive power of the rumen microbiome for feed and milk production efficiency traits, as rumen microbes play a central role in physiological responses in dairy cows. The novel ensemble method allowed to further identify key microbes linked to the efficiency measures. We used a population of 454 genotyped Holstein cows in the U.S. and Canada with individually measured feed and milk production efficiency phenotypes. The study underscored that the rumen microbiome is a major driver of residual feed intake (RFI), the most robust feed efficiency measure evaluated in the study, accounting for 36% of its variation. Further analyses showed that several alpha-diversity metrics were lower in more feed-efficient cows. For RFI, [Ruminococcus] gauvreauii group was the only genus positively associated with an improved feed efficiency status while seven other taxa were associated with inefficiency. The study also highlights that the rumen microbiome is pivotal for the unexplained variance in milk fat and protein production efficiency. Estimation of the carbon footprint of these cows shows that selection for better RFI could reduce up to 5 kg of diet consumed per cow daily, potentially reducing up to 37.5% of CH4. These findings shed light that the integration of artificial intelligence approaches, microbiology, and ruminant nutrition can be a path to further advance our understanding of the rumen microbiome on nutrient requirements and lactation performance of dairy cows to support the long-term sustainability of the dairy community.
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Affiliation(s)
- Hugo F Monteiro
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, 95616, Davis, CA, USA
| | - Caio C Figueiredo
- Department of Veterinary Clinical Sciences, Washington State University, Pullman, WA, USA
- Department of Large Animal Clinical Sciences, University of Florida, Gainesville, FL, USA
| | - Bruna Mion
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | | | - Rafael S Bisinotto
- Department of Large Animal Clinical Sciences, University of Florida, Gainesville, FL, USA
| | | | - Eduardo S Ribeiro
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - Mariana N Marinho
- Department of Animal Sciences, University of Florida, Gainesville, FL, USA
| | - Roney Zimpel
- Department of Animal Sciences, University of Florida, Gainesville, FL, USA
| | | | - Adeoye Oyebade
- Department of Animal Sciences, University of Florida, Gainesville, FL, USA
| | - Richard R Lobo
- Department of Animal Sciences, University of Florida, Gainesville, FL, USA
| | - Wilson M Coelho
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, 95616, Davis, CA, USA
| | - Phillip M G Peixoto
- Department of Large Animal Clinical Sciences, University of Florida, Gainesville, FL, USA
| | - Maria B Ugarte Marin
- Department of Large Animal Clinical Sciences, University of Florida, Gainesville, FL, USA
| | - Sebastian G Umaña-Sedó
- Department of Large Animal Clinical Sciences, University of Florida, Gainesville, FL, USA
| | - Tomás D G Rojas
- Department of Large Animal Clinical Sciences, University of Florida, Gainesville, FL, USA
| | | | - Flávio S Schenkel
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - Bart C Weimer
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, 95616, Davis, CA, USA
| | - C Titus Brown
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, 95616, Davis, CA, USA
| | - Ermias Kebreab
- Department of Animal Sciences, College of Agriculture and Life Sciences, University of California, 95616, Davis, CA, USA
| | - Fábio S Lima
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, 95616, Davis, CA, USA.
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20
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Mackie RI, Kim H, Kim NK, Cann I. - Invited Review - Hydrogen production and hydrogen utilization in the rumen: key to mitigating enteric methane production. Anim Biosci 2024; 37:323-336. [PMID: 38186257 PMCID: PMC10838669 DOI: 10.5713/ab.23.0294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/13/2023] [Accepted: 11/08/2023] [Indexed: 01/09/2024] Open
Abstract
Molecular hydrogen (H2) and formate (HCOO-) are metabolic end products of many primary fermenters in the rumen ecosystem. Both play a vital role in fermentation where they are electron sinks for individual microbes in an anaerobic environment that lacks external electron acceptors. If H2 and/or formate accumulate within the rumen, the ability of primary fermenters to regenerate electron carriers may be inhibited and microbial metabolism and growth disrupted. Consequently, H2- and/or formate-consuming microbes such as methanogens and possibly homoacetogens play a key role in maintaining the metabolic efficiency of primary fermenters. There is increasing interest in identifying approaches to manipulate the rumen ecosystem for the benefit of the host and the environment. As H2 and formate are important mediators of interspecies interactions, an understanding of their production and utilization could be a significant starting point for the development of successful interventions aimed at redirecting electron flow and reducing methane emissions. We conclude by discussing in brief ruminant methane mitigation approaches as a model to help understand the fate of H2 and formate in the rumen ecosystem.
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Affiliation(s)
- Roderick I. Mackie
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801,
USA
- Carle R. Woese Institute for Genomic Biology, University of Illinois, Urbana, IL 61801,
USA
| | - Hyewon Kim
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801,
USA
| | - Na Kyung Kim
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801,
USA
| | - Isaac Cann
- Department of Animal Sciences, University of Illinois, Urbana, IL 61801,
USA
- Carle R. Woese Institute for Genomic Biology, University of Illinois, Urbana, IL 61801,
USA
- Department of Microbiology, University of Illinois, Urbana, IL 61801,
USA
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21
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Shinkai T, Takizawa S, Fujimori M, Mitsumori M. - Invited Review - The role of rumen microbiota in enteric methane mitigation for sustainable ruminant production. Anim Biosci 2024; 37:360-369. [PMID: 37946422 PMCID: PMC10838666 DOI: 10.5713/ab.23.0301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/13/2023] [Accepted: 10/11/2023] [Indexed: 11/12/2023] Open
Abstract
Ruminal methane production functions as the main sink for metabolic hydrogen generated through rumen fermentation and is recognized as a considerable source of greenhouse gas emissions. Methane production is a complex trait affected by dry matter intake, feed composition, rumen microbiota and their fermentation, lactation stage, host genetics, and environmental factors. Various mitigation approaches have been proposed. Because individual ruminants exhibit different methane conversion efficiencies, the microbial characteristics of low-methane-emitting animals can be essential for successful rumen manipulation and environment-friendly methane mitigation. Several bacterial species, including Sharpea, uncharacterized Succinivibrionaceae, and certain Prevotella phylotypes have been listed as key players in low-methane-emitting sheep and cows. The functional characteristics of the unclassified bacteria remain unclear, as they are yet to be cultured. Here, we review ruminal methane production and mitigation strategies, focusing on rumen fermentation and the functional role of rumen microbiota, and describe the phylogenetic and physiological characteristics of a novel Prevotella species recently isolated from low methane-emitting and high propionate-producing cows. This review may help to provide a better understanding of the ruminal digestion process and rumen function to identify holistic and environmentally friendly methane mitigation approaches for sustainable ruminant production.
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Affiliation(s)
- Takumi Shinkai
- NARO Institute of Livestock and Grassland Science, Ibaraki 305-0901,
Japan
| | - Shuhei Takizawa
- NARO Institute of Livestock and Grassland Science, Ibaraki 305-0901,
Japan
| | - Miho Fujimori
- NARO Institute of Livestock and Grassland Science, Ibaraki 305-0901,
Japan
| | - Makoto Mitsumori
- NARO Institute of Livestock and Grassland Science, Ibaraki 305-0901,
Japan
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22
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Xie F, Zhao S, Zhan X, Zhou Y, Li Y, Zhu W, Pope PB, Attwood GT, Jin W, Mao S. Unraveling the phylogenomic diversity of Methanomassiliicoccales and implications for mitigating ruminant methane emissions. Genome Biol 2024; 25:32. [PMID: 38263062 PMCID: PMC10804542 DOI: 10.1186/s13059-024-03167-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 01/07/2024] [Indexed: 01/25/2024] Open
Abstract
BACKGROUND Methanomassiliicoccales are a recently identified order of methanogens that are diverse across global environments particularly the gastrointestinal tracts of animals; however, their metabolic capacities are defined via a limited number of cultured strains. RESULTS Here, we profile and analyze 243 Methanomassiliicoccales genomes assembled from cultured representatives and uncultured metagenomes recovered from various biomes, including the gastrointestinal tracts of different animal species. Our analyses reveal the presence of numerous undefined genera and genetic variability in metabolic capabilities within Methanomassiliicoccales lineages, which is essential for adaptation to their ecological niches. In particular, gastrointestinal tract Methanomassiliicoccales demonstrate the presence of co-diversified members with their hosts over evolutionary timescales and likely originated in the natural environment. We highlight the presence of diverse clades of vitamin transporter BtuC proteins that distinguish Methanomassiliicoccales from other archaeal orders and likely provide a competitive advantage in efficiently handling B12. Furthermore, genome-centric metatranscriptomic analysis of ruminants with varying methane yields reveal elevated expression of select Methanomassiliicoccales genera in low methane animals and suggest that B12 exchanges could enable them to occupy ecological niches that possibly alter the direction of H2 utilization. CONCLUSIONS We provide a comprehensive and updated account of divergent Methanomassiliicoccales lineages, drawing from numerous uncultured genomes obtained from various habitats. We also highlight their unique metabolic capabilities involving B12, which could serve as promising targets for mitigating ruminant methane emissions by altering H2 flow.
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Affiliation(s)
- Fei Xie
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, National Center for International Research on Animal Gut Nutrition, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Shengwei Zhao
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, National Center for International Research on Animal Gut Nutrition, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Xiaoxiu Zhan
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, National Center for International Research on Animal Gut Nutrition, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Yang Zhou
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, National Center for International Research on Animal Gut Nutrition, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Yin Li
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, National Center for International Research on Animal Gut Nutrition, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Weiyun Zhu
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, National Center for International Research on Animal Gut Nutrition, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Phillip B Pope
- Department of Animal and Aquacultural Sciences, Faculty of Biosciences, Norwegian University of Life Sciences, Ås, Norway
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Graeme T Attwood
- AgResearch Limited, Grasslands Research Centre, Palmerston North, New Zealand
| | - Wei Jin
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China.
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, National Center for International Research on Animal Gut Nutrition, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China.
| | - Shengyong Mao
- Ruminant Nutrition and Feed Engineering Technology Research Center, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China.
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, National Center for International Research on Animal Gut Nutrition, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China.
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23
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Maigaard M, Weisbjerg MR, Johansen M, Walker N, Ohlsson C, Lund P. Effects of dietary fat, nitrate, and 3-nitrooxypropanol and their combinations on methane emission, feed intake, and milk production in dairy cows. J Dairy Sci 2024; 107:220-241. [PMID: 37690719 DOI: 10.3168/jds.2023-23420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 07/26/2023] [Indexed: 09/12/2023]
Abstract
The objective of the present study was to investigate the effect of individual and combined use of dietary fat, nitrate, and 3-nitrooxypropanol (3-NOP) on dairy cows' enteric methane (CH4) emission and production performance. Twenty-four primiparous and 24 multiparous Danish Holstein cows (111 ± 44.6 d in milk; mean ± standard deviation) were included in an incomplete 8 × 8 Latin square design with six 21-d periods. Dietary treatments were organized in a 2 × 2 × 2 factorial arrangement aiming for 2 levels of FAT (30 or 63 g of crude fat/kg of dry matter [DM]; LF or HF, respectively), 2 levels of NITRATE (0 or 10 g of nitrate/kg of DM; UREA or NIT, respectively), and 2 levels of 3-NOP (0 or 80 mg/kg DM; BLANK or NOP, respectively). Treatments were included in ad libitum-fed partial mixed rations in bins that automatically measured feed intake and eating behavior. Additional concentrate was offered as bait in GreenFeed units used for measurement of gas emission. For total DM intake (DMI), a FAT × NITRATE interaction showed that DMI, across parities and levels of 3-NOP, was unaffected by separate fat supplementation, but reduced by nitrate with 4.6% and synergistically decreased (significant 2-way interaction) with 13.0% when fat and nitrate were combined. Additionally, 3-NOP decreased DMI by 13.4% and the combination of 3-NOP with fat and nitrate decreased DMI in an additive way (no significant 3-way interaction). The decreasing effects on DMI were more pronounced in multiparous cows than in primiparous cows. For treatments with largest reductions in DMI, eating behavior was altered toward more frequent, but smaller meals, a slower eating rate and increased attempts to visit unassigned feed bins. Energy-corrected milk (ECM) yield increased by 6.3% with fat supplementation, whereas ECM yield did not differ among diets including nitrate (FAT × NITRATE interaction). Cows supplemented with 3-NOP had 9.0% lower ECM yield than cows fed no 3-NOP. Based on three 2-way interactions including FAT, NITRATE, and 3-NOP, the combined use of the additives resulted in antagonistic effects on CH4 reduction. A 6% to 7% reduction in CH4 yield (CH4/kg of DMI) could be ascribed to the effect of fat, a 12% to 13% reduction could be ascribed to the effect of nitrate and an 18% to 23% reduction could be ascribed to the effect of 3-NOP. Hence, no combinations of additives resulted in CH4 yield-reductions that were greater than what was obtained by separate supplementation of the most potent additive within the combination. The CH4 yield reduction potential of additives was similar between parities. Increased apparent total-tract digestibility of organic matter (OM) in cows fed combinations including nitrate or 3-NOP was a result of a NITRATE × 3-NOP interaction. Apparent total-tract digestibility of OM was also increased by fat supplementation. These increases reflected observed decreases in DMI. In conclusion, combined use of fat, nitrate, and 3-NOP in all combinations did not result in CH4 reductions that were greater than separate supplementation of the most potent additive within the combination (3-NOP > nitrate > fat). Additionally, separate supplementation of some additives and combined use of all additives reduced DMI.
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Affiliation(s)
- Morten Maigaard
- Department of Animal and Veterinary Sciences, AU Viborg-Research Centre Foulum, Aarhus University, 8830 Tjele, Denmark.
| | - Martin R Weisbjerg
- Department of Animal and Veterinary Sciences, AU Viborg-Research Centre Foulum, Aarhus University, 8830 Tjele, Denmark
| | - Marianne Johansen
- Department of Animal and Veterinary Sciences, AU Viborg-Research Centre Foulum, Aarhus University, 8830 Tjele, Denmark
| | - Nicola Walker
- DSM Nutritional Products, Animal Nutrition & Health, 4002 Basel, Switzerland
| | - Christer Ohlsson
- DSM Nutritional Products, Animal Nutrition & Health, 4002 Basel, Switzerland
| | - Peter Lund
- Department of Animal and Veterinary Sciences, AU Viborg-Research Centre Foulum, Aarhus University, 8830 Tjele, Denmark
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24
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Martins LF, Cueva SF, Lage CFA, Ramin M, Silvestre T, Tricarico J, Hristov AN. A meta-analysis of methane-mitigation potential of feed additives evaluated in vitro. J Dairy Sci 2024; 107:288-300. [PMID: 38353472 DOI: 10.1016/s0022-0302(23)00819-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 08/16/2023] [Indexed: 02/16/2024]
Abstract
A systematic literature review of in vitro studies was performed to identify methane (CH4) mitigation interventions with a potential to reduce CH4 emission in vivo. Data from 277 peer-reviewed studies published between 1979 and 2018 were reviewed. Individual CH4 mitigation interventions were classified into 14 categories of feed additives based on their type, chemical composition, and mode of action. Response variables evaluated were absolute CH4 emission (number of treatment means comparisons = 1,325); total volatile fatty acids (n = 1,007), acetate (n = 783), propionate (n = 792), and butyrate (n = 776) concentrations; acetate to propionate ratio (n = 675); digestibility of dry matter (n = 489), organic matter (n = 277), and neutral detergent fiber (n = 177). Total gas production was used as an explanatory variable in the model for CH4 production. Relative mean difference between treatment and control means reported in the studies was calculated and used for statistical analysis. The robust variance estimation method was used to analyze the effects of CH4 mitigation interventions. In vitro CH4 production was decreased by antibodies (-38.9%), chemical inhibitors (-29.2%), electron sinks (-18.9%), essential oils (-18.2%), plant extracts (-14.5%), plant inclusion (-11.7%), saponins (-14.8%), and tannins (-14.5%). Overall effects of direct-fed microbials, enzymes, macroalgae, and organic acids supplementation did not affect CH4 production in the current meta-analysis. When considering the effects of individual mitigation interventions containing a minimum number of 4 degrees of freedom within feed additives categories, Enterococcus spp. (i.e., direct-fed microbial), nitrophenol (i.e., electron sink), and Leucaena spp. (i.e., tannins) decreased CH4 production by 20.3%, 27.1%, and 23.5%, respectively, without extensively, or only slightly, affecting ruminal fermentation and digestibility of nutrients. It should be noted, however, that although the total number of publications (n = 277) and treatment means comparisons (n = 1,325 for CH4 production) in the current analysis were high, data for most mitigation interventions were obtained from less than 5 observations (e.g., maximum number of observations was 4, 7, and 22 for nitrophenol, Enterococcus spp., and Leucaena spp., respectively), because of limited data available in the literature. These should be further evaluated in vitro and in vivo to determine their true potential to decrease enteric CH4 production, yield, and intensity. Some mitigation interventions (e.g., magnesium, Heracleum spp., nitroglycerin, β-cyclodextrin, Leptospermum pattersoni, Fructulus Ligustri, Salix caprea, and Sesbania grandiflora) decreased in vitro CH4 production by over 50% but did not have enough observations in the database. These should be more extensively investigated in vitro, and the dose effect must be considered before adoption of mitigation interventions in vivo.
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Affiliation(s)
- L F Martins
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802
| | - S F Cueva
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802
| | - C F A Lage
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802; Cornell Cooperative Extension, Bath, NY 14810
| | - M Ramin
- Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, Umeå, Sweden SE-901 83
| | - T Silvestre
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802; Kemin Industries, Singapore, 758200
| | - J Tricarico
- Innovation Center for U.S. Dairy, Rosemont, IL 60018
| | - A N Hristov
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802.
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25
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Monteiro A, Barreto-Mendes L, Fanchone A, Morgavi DP, Pedreira BC, Magalhães CAS, Abdalla AL, Eugène M. Crop-livestock-forestry systems as a strategy for mitigating greenhouse gas emissions and enhancing the sustainability of forage-based livestock systems in the Amazon biome. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167396. [PMID: 37778569 DOI: 10.1016/j.scitotenv.2023.167396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 09/21/2023] [Accepted: 09/24/2023] [Indexed: 10/03/2023]
Abstract
Intensification of livestock systems becomes essential to meet the food demand of the growing world population, but it is important to consider the environmental impact of these systems. To assess the potential of forage-based livestock systems to offset greenhouse gas (GHG) emissions, the net carbon (C) balance of four systems in the Brazilian Amazon Biome was estimated: livestock (L) with a monoculture of Marandu palisade grass [Brachiaria brizantha (Hochst. ex A. Rich.) R. D. Webster]; livestock-forestry (LF) with palisade grass intercropped with three rows of eucalyptus at 128 trees/ha; crop-livestock (CL) with soybeans and then corn + palisade grass, rotated with livestock every two years; and crop-livestock-forestry (CLF) with CL + one row of eucalyptus at 72 trees/ha. Over the four years studied, the systems with crops (CL and CLF) produced more human-edible protein than those without them (L and LF) (3010 vs. 755 kg/ha). Methane contributed the most to total GHG emissions: a mean of 85 % for L and LF and 67 % for CL and CLF. Consequently, L and LF had greater total GHG emissions (mean of 30 Mg CO2eq/ha/year). Over the four years, the system with the most negative net C balance (i.e., C storage) was LF when expressed per ha (-53.3 Mg CO2eq/ha), CLF when expressed per kg of carcass (-26 kg CO2eq/kg carcass), and LF when expressed per kg of human-edible protein (-72 kg CO2eq/kg human-edible protein). Even the L system can store C if well managed, leading to benefits such as increased meat as well as improved soil quality. Moreover, including crops and forestry in these livestock systems enhances these benefits, emphasizing the potential of integrated systems to offset GHG emissions.
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Affiliation(s)
- Alyce Monteiro
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genès-Champanelle, France; University of São Paulo, Center for Nuclear Energy in Agriculture, Laboratory of Animal Nutrition, Av. Centenário, 303, São Dimas, 13400-970 Piracicaba, SP, Brazil
| | - Luciano Barreto-Mendes
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genès-Champanelle, France
| | - Audrey Fanchone
- INRAE, ASSET, Centre Antilles-Guyane, Domaine Duclos, Prise d'Eau, 97170 Petit Bourg, Guadeloupe, France
| | - Diego P Morgavi
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genès-Champanelle, France
| | - Bruno C Pedreira
- Department of Plant Science, University of Tennessee, Knoxville, TN, 37996, USA.
| | - Ciro A S Magalhães
- Brazilian Agricultural Research Corporation (Embrapa Agrossilvipastoril), 78550-970 Sinop, MT, Brazil
| | - Adibe L Abdalla
- University of São Paulo, Center for Nuclear Energy in Agriculture, Laboratory of Animal Nutrition, Av. Centenário, 303, São Dimas, 13400-970 Piracicaba, SP, Brazil
| | - Maguy Eugène
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genès-Champanelle, France
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26
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Cho H, Jeong S, Kang K, Lee M, Jeon S, Kang H, Kim H, Seo J, Oh J, Seo S. Effects of Dietary Fat Level of Concentrate Mix on Growth Performance, Rumen Characteristics, Digestibility, Blood Metabolites, and Methane Emission in Growing Hanwoo Steers. Animals (Basel) 2023; 14:139. [PMID: 38200870 PMCID: PMC10778547 DOI: 10.3390/ani14010139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/21/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024] Open
Abstract
This study investigated the effect of different dietary fat levels in concentrate mixes on the growth performance, rumen characteristics, digestibility, blood metabolites, and methane emissions in growing Hanwoo steers. Thirty steers (386 ± 24.6 kg of body weight [BW]; 12 months old), blocked by BW, were randomly assigned to three dietary treatments with varying fat concentrations in concentrate mix (48, 74, and 99 g of ether extract per kg dry matte [DM]). The fat intake of the low-fat treatment represented 4.15% of the total dry matter intake (DMI), while the medium- and high-fat treatments accounted for 5.77% and 7.23% of total DMI, respectively. Concentrate mix DMI decreased with increasing fat level (p < 0.01). The growth rate and digestibility did not significantly differ based on the fat level (p > 0.05). As the fat level increased, propionate in the total ruminal volatile fatty acids increased, and butyrate and acetate-to-propionate decreased (p < 0.01). Cholesterol in blood serum increased significantly with increasing dietary fat levels (p < 0.01). Methane emissions exhibited a linear decrease with increasing fat level (p < 0.05). In conclusion, elevating fat content in the concentrates up to 100 g/kg DM reduced methane emissions without compromising the growth performance of growing Hanwoo steers.
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Affiliation(s)
- Hyunjin Cho
- Division of Animal and Dairy Sciences, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea; (H.C.); (S.J.); (K.K.); (M.L.); (S.J.); (H.K.)
| | - Sinyong Jeong
- Division of Animal and Dairy Sciences, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea; (H.C.); (S.J.); (K.K.); (M.L.); (S.J.); (H.K.)
| | - Kyewon Kang
- Division of Animal and Dairy Sciences, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea; (H.C.); (S.J.); (K.K.); (M.L.); (S.J.); (H.K.)
| | - Mingyung Lee
- Division of Animal and Dairy Sciences, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea; (H.C.); (S.J.); (K.K.); (M.L.); (S.J.); (H.K.)
| | - Seoyoung Jeon
- Division of Animal and Dairy Sciences, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea; (H.C.); (S.J.); (K.K.); (M.L.); (S.J.); (H.K.)
| | - Hamin Kang
- Division of Animal and Dairy Sciences, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea; (H.C.); (S.J.); (K.K.); (M.L.); (S.J.); (H.K.)
| | - Hanbeen Kim
- Department of Animal Science, Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea; (H.K.); (J.S.)
| | - Jakyeom Seo
- Department of Animal Science, Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Republic of Korea; (H.K.); (J.S.)
| | - Joonpyo Oh
- Cargill Animal Nutrition Korea, Seongnam 13630, Republic of Korea;
| | - Seongwon Seo
- Division of Animal and Dairy Sciences, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea; (H.C.); (S.J.); (K.K.); (M.L.); (S.J.); (H.K.)
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27
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Jebari A, Pereyra-Goday F, Kumar A, Collins AL, Rivero MJ, McAuliffe GA. Feasibility of mitigation measures for agricultural greenhouse gas emissions in the UK. A systematic review. AGRONOMY FOR SUSTAINABLE DEVELOPMENT 2023; 44:2. [PMID: 38161803 PMCID: PMC10754757 DOI: 10.1007/s13593-023-00938-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 11/24/2023] [Indexed: 01/03/2024]
Abstract
The UK Government has set an ambitious target of achieving a national "net-zero" greenhouse gas economy by 2050. Agriculture is arguably placed at the heart of achieving net zero, as it plays a unique role as both a producer of GHG emissions and a sector that has the capacity via land use to capture carbon (C) when managed appropriately, thus reducing the concentration of carbon dioxide (CO2) in the atmosphere. Agriculture's importance, particularly in a UK-specific perspective, which is also applicable to many other temperate climate nations globally, is that the majority of land use nationwide is allocated to farming. Here, we present a systematic review based on peer-reviewed literature and relevant "grey" reports to address the question "how can the agricultural sector in the UK reduce, or offset, its direct agricultural emissions at the farm level?" We considered the implications of mitigation measures in terms of food security and import reliance, energy, environmental degradation, and value for money. We identified 52 relevant studies covering major foods produced and consumed in the UK. Our findings indicate that many mitigation measures can indeed contribute to net zero through GHG emissions reduction, offsetting, and bioenergy production, pending their uptake by farmers. While the environmental impacts of mitigation measures were covered well within the reviewed literature, corresponding implications regarding energy, food security, and farmer attitudes towards adoption received scant attention. We also provide an open-access, informative, and comprehensive dataset for agri-environment stakeholders and policymakers to identify the most promising mitigation measures. This research is of critical value to researchers, land managers, and policymakers as an interim guideline resource while more quantitative evidence becomes available through the ongoing lab-, field-, and farm-scale trials which will improve the reliability of agricultural sustainability modelling in the future. Supplementary Information The online version contains supplementary material available at 10.1007/s13593-023-00938-0.
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Affiliation(s)
- Asma Jebari
- Net Zero and Resilient Farming, Rothamsted Research, North Wyke, Okehampton, EX20 2SB Devon UK
| | - Fabiana Pereyra-Goday
- Instituto Nacional de Investigacion Agropecuaria (INIA), Ruta 8 km 281, Treinta y Tres, postcode 33000 Montevideo, Uruguay
| | - Atul Kumar
- Net Zero and Resilient Farming, Rothamsted Research, North Wyke, Okehampton, EX20 2SB Devon UK
| | - Adrian L. Collins
- Net Zero and Resilient Farming, Rothamsted Research, North Wyke, Okehampton, EX20 2SB Devon UK
| | - M. Jordana Rivero
- Net Zero and Resilient Farming, Rothamsted Research, North Wyke, Okehampton, EX20 2SB Devon UK
| | - Graham A. McAuliffe
- Net Zero and Resilient Farming, Rothamsted Research, North Wyke, Okehampton, EX20 2SB Devon UK
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Hidayah N, Noviandi CT, Astuti A, Kustantinah K. Chemical composition and in vitro rumen fermentation characteristics of various tropical seaweeds. J Adv Vet Anim Res 2023; 10:751-762. [PMID: 38370887 PMCID: PMC10868688 DOI: 10.5455/javar.2023.j731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 10/31/2023] [Accepted: 11/27/2023] [Indexed: 02/20/2024] Open
Abstract
Objective This research aimed to evaluate potential tropical seaweed from Indonesia as an ingredient or supplement feed for ruminants based on chemical composition and in vitro rumen fermentation parameters. Materials and Methods The seven natural tropical seaweeds (three green and four red species) were collected from Ndrini and Sepanjang Beach, Gunungkidul, Yogyakarta, Indonesia. The experimental design on secondary metabolite profiles used a completely randomized design, and the in vitro gas production test used a randomized complete block design with seven seaweed species variances and four replications (blocks) based on rumen fluid collection time. The data obtained was analyzed using analysis of variance (ANOVA), and Duncan's Multiple Range Test was used to test the variation in the analysis. Results The seven tropical seaweed species have potential as mineral sources for ruminants, except for macromineral (P and S) and micromineral (Cu). The red tropical seaweed has potential as a protein source (Gelidium spinosum (S.G.Gmelin) P.C. Silva, Hypnea pannosa, and Acanthopora muscoides (L.) Bory), and the green seaweed (Chaetomorpha linum (O.F. Mull.) Kutz and Cladopora sp.) has potential as a crude fiber (CF) source for ruminants. As indicated by secondary metabolites and gas production in vitro, the green species (C. linum (O.F. Mull.) Kutz and Enteromorpha compressa) and red species (A. muscoides (L.) Bory and Gelidium amansii (J.V. Lamouroux) J.V. Lamouroux) could be degraded in the rumen and had quite high phenolic compounds. Conclusion The seven tropical seaweed species have the potential to be an ingredient or supplement feed for ruminants, and there were four species that have the potential to reduce methane emissions.
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Affiliation(s)
- Nur Hidayah
- Graduate School of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia
- Department of Animal Science, Faculty of Agriculture, Universitas Tidar, Magelang, Indonesia
| | - Cuk Tri Noviandi
- Department of Animal Nutrition and Feed Science, Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Andriyani Astuti
- Department of Animal Nutrition and Feed Science, Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Kustantinah Kustantinah
- Department of Animal Nutrition and Feed Science, Faculty of Animal Science, Universitas Gadjah Mada, Yogyakarta, Indonesia
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29
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Kesse-Guyot E, Allès B, Brunin J, Langevin B, Fouillet H, Dussiot A, Berthy F, Reuzé A, Perraud E, Rebouillat P, Touvier M, Hercberg S, Mariotti F, Lairon D, Pointereau P, Baudry J. Environmental pressures and pesticide exposure associated with an increase in the share of plant-based foods in the diet. Sci Rep 2023; 13:19317. [PMID: 37935749 PMCID: PMC10630347 DOI: 10.1038/s41598-023-46032-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 10/26/2023] [Indexed: 11/09/2023] Open
Abstract
Diets rich in plant-based foods are encouraged for human health and to preserve resources and the environment but the nutritional quality and safety of such diets is debated. This study aimed to model nutritionally adequate diets with increasing plant food content and to characterise the derived diets using a multicriteria approach including, nutrients intake, environmental pressures and exposure to pesticides. Using data of the NutriNet-Santé cohort (N = 29,413), we implemented stepwise optimization models to identified maximum plant-food content under nutritional constraints. Environmental indicators at the production level were derived from the DIALECTE database, and exposure to pesticide residues from plant food consumption was estimated using a contamination database. Plant-based foods contributed to 64.3% (SD = 10.6%) of energy intake in observed diets and may reach up to 95% in modelled diets without jeopardizing nutritional status. Compared to the observed situation, an increase in plant-based foods in the diets led to increases in soy-based products (+ 480%), dried fruits (+ 370%), legumes (+ 317%), whole grains (+ 251%), oils (+ 144%) and vegetables (+ 93%). Animal products decreased progressively until total eviction, except for beef (- 98%). Dietary quality (estimated using the Diet Quality Index Based on the Probability of Adequate Nutrient Intake) was improved (up to 17%) as well as GHGe (up to - 65%), energy demand (up to - 48%), and land occupation (- 56%) for production. Exposures to pesticides from plant-based foods were increased by 100% conventional production and to a much lesser extent by 100% organic production. This study shows that shifting to nutritionally-adequate plant-based diets requires an in-depth rearrangement of food groups' consumption but allows a drastic reduction environmental impact. Increase exposure to pesticide residues and related risks can be mitigated by consuming foods produced with low pesticide input.
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Affiliation(s)
- Emmanuelle Kesse-Guyot
- Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center (CRESS), Sorbonne Paris Nord University and University of Paris, Inserm, INRAE, Cnam, 74 Rue Marcel Cachin, 93017, Bobigny, France.
| | - Benjamin Allès
- Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center (CRESS), Sorbonne Paris Nord University and University of Paris, Inserm, INRAE, Cnam, 74 Rue Marcel Cachin, 93017, Bobigny, France
| | - Joséphine Brunin
- Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center (CRESS), Sorbonne Paris Nord University and University of Paris, Inserm, INRAE, Cnam, 74 Rue Marcel Cachin, 93017, Bobigny, France
- ADEME, Agence de l'Environnement et de la Maîtrise de l'Energie, 49004, Angers, France
| | | | - Hélène Fouillet
- UMR PNCA, AgroParisTech, INRAE, Paris-Saclay University, 75005, Paris, France
| | - Alison Dussiot
- Solagro, 75, Voie TOEC, CS 27608, 31076, Toulouse Cedex 3, France
| | - Florine Berthy
- Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center (CRESS), Sorbonne Paris Nord University and University of Paris, Inserm, INRAE, Cnam, 74 Rue Marcel Cachin, 93017, Bobigny, France
| | - Anouk Reuzé
- Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center (CRESS), Sorbonne Paris Nord University and University of Paris, Inserm, INRAE, Cnam, 74 Rue Marcel Cachin, 93017, Bobigny, France
| | - Elie Perraud
- UMR PNCA, AgroParisTech, INRAE, Paris-Saclay University, 75005, Paris, France
| | - Pauline Rebouillat
- Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center (CRESS), Sorbonne Paris Nord University and University of Paris, Inserm, INRAE, Cnam, 74 Rue Marcel Cachin, 93017, Bobigny, France
| | - Mathilde Touvier
- Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center (CRESS), Sorbonne Paris Nord University and University of Paris, Inserm, INRAE, Cnam, 74 Rue Marcel Cachin, 93017, Bobigny, France
| | - Serge Hercberg
- Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center (CRESS), Sorbonne Paris Nord University and University of Paris, Inserm, INRAE, Cnam, 74 Rue Marcel Cachin, 93017, Bobigny, France
- Département de Santé Publique, Hôpital Avicenne, 93017, Bobigny, France
| | - François Mariotti
- UMR PNCA, AgroParisTech, INRAE, Paris-Saclay University, 75005, Paris, France
| | - Denis Lairon
- INSERM, INRAE, C2VN, Aix Marseille Université, 13005, Marseille, France
| | | | - Julia Baudry
- Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center (CRESS), Sorbonne Paris Nord University and University of Paris, Inserm, INRAE, Cnam, 74 Rue Marcel Cachin, 93017, Bobigny, France
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Khairunisa BH, Heryakusuma C, Ike K, Mukhopadhyay B, Susanti D. Evolving understanding of rumen methanogen ecophysiology. Front Microbiol 2023; 14:1296008. [PMID: 38029083 PMCID: PMC10658910 DOI: 10.3389/fmicb.2023.1296008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 10/12/2023] [Indexed: 12/01/2023] Open
Abstract
Production of methane by methanogenic archaea, or methanogens, in the rumen of ruminants is a thermodynamic necessity for microbial conversion of feed to volatile fatty acids, which are essential nutrients for the animals. On the other hand, methane is a greenhouse gas and its production causes energy loss for the animal. Accordingly, there are ongoing efforts toward developing effective strategies for mitigating methane emissions from ruminant livestock that require a detailed understanding of the diversity and ecophysiology of rumen methanogens. Rumen methanogens evolved from free-living autotrophic ancestors through genome streamlining involving gene loss and acquisition. The process yielded an oligotrophic lifestyle, and metabolically efficient and ecologically adapted descendants. This specialization poses serious challenges to the efforts of obtaining axenic cultures of rumen methanogens, and consequently, the information on their physiological properties remains in most part inferred from those of their non-rumen representatives. This review presents the current knowledge of rumen methanogens and their metabolic contributions to enteric methane production. It also identifies the respective critical gaps that need to be filled for aiding the efforts to mitigate methane emission from livestock operations and at the same time increasing the productivity in this critical agriculture sector.
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Affiliation(s)
| | - Christian Heryakusuma
- Genetics, Bioinformatics, and Computational Biology, Virginia Tech, Blacksburg, VA, United States
- Department of Biochemistry, Virginia Tech, Blacksburg, VA, United States
| | - Kelechi Ike
- Department of Biology, North Carolina Agricultural and Technical State University, Greensboro, NC, United States
| | - Biswarup Mukhopadhyay
- Genetics, Bioinformatics, and Computational Biology, Virginia Tech, Blacksburg, VA, United States
- Department of Biochemistry, Virginia Tech, Blacksburg, VA, United States
- Virginia Tech Carilion School of Medicine, Virginia Tech, Blacksburg, VA, United States
| | - Dwi Susanti
- Microbial Discovery Research, BiomEdit, Greenfield, IN, United States
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31
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Hristov AN. Perspective: Could dairy cow nutrition meaningfully reduce the carbon footprint of milk production? J Dairy Sci 2023; 106:7336-7340. [PMID: 37641304 DOI: 10.3168/jds.2023-23461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 06/01/2023] [Indexed: 08/31/2023]
Affiliation(s)
- Alexander N Hristov
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802.
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32
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del Prado A, Lindsay B, Tricarico J. Retrospective and projected warming-equivalent emissions from global livestock and cattle calculated with an alternative climate metric denoted GWP. PLoS One 2023; 18:e0288341. [PMID: 37782671 PMCID: PMC10545102 DOI: 10.1371/journal.pone.0288341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/25/2023] [Indexed: 10/04/2023] Open
Abstract
Limiting warming by the end of the century to 1.5°C compared to pre-Industrial times requires reaching and sustaining net zero global carbon dioxide (CO2) emissions and declining radiative forcing from non-CO2 greenhouse gas (GHG) sources such as methane (CH4). This implies eliminating CO2 emissions or balancing them with removals while mitigating CH4 emissions to reduce their radiative forcing over time. The global cattle sector (including Buffalo) mainly emits CH4 and N2O and will benefit from understanding the extent and speed of CH4 reductions necessary to align its mitigation ambitions with global temperature goals. This study explores the utility of an alternative usage of global warming potentials (GWP*) in combination with the Transient Climate Response to cumulative carbon Emissions (TCRE) to compare retrospective and projected climate impacts of global livestock emission pathways with other sectors (e.g. fossil fuel and land use change). To illustrate this, we estimated the amount and fraction of total warming attributable to direct CH4 livestock emissions from 1750 to 2019 using existing emissions datasets and projected their contributions to future warming under three historical and three future emission scenarios. These historical and projected estimates were transformed into cumulative CO2 equivalent (GWP100) and warming equivalent (GWP*) emissions that were multiplied by a TCRE coefficient to express induced warming as globally averaged surface temperature change. In general, temperature change estimates from this study are comparable to those obtained from other climate models. Sustained annual reductions in CH4 emissions of 0.32% by the global cattle sector would stabilize their future effect on global temperature while greater reductions would reverse historical past contributions to global warming by the sector in a similar fashion to increasing C sinks. The extent and speed with which CH4 mitigation interventions are introduced by the sector will determine the peak temperature achieved in the path to net-zero GHG.
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Affiliation(s)
- Agustin del Prado
- Basque Centre for Climate Change (BC3), Edificio Sede no. 1, Planta 1, Parque Científico de UPV/EHU, Barrio Leioa, Bizkaia, Spain
- Ikerbasque—Basque Foundation of Science, Bilbao, Spain
| | - Brian Lindsay
- Global Dairy Platform, Rosemont, IL, United States of America
| | - Juan Tricarico
- Innovation Center for U.S. Dairy, Rosemont, IL, United States of America
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Martins LF, Cueva SF, Lage CFA, Ramin M, Silvestre T, Tricarico J, Hristov AN. A meta-analysis of methane mitigation potential of feed additives evaluated in vitro. J Dairy Sci 2023:S0022-0302(23)00649-5. [PMID: 37709018 DOI: 10.3168/jds.2023-23419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 08/16/2023] [Indexed: 09/16/2023]
Abstract
A systematic literature review of in vitro studies was performed to identify methane (CH4) mitigation interventions with a potential to reduce CH4 emission in vivo. Data from 277 peer-reviewed studies published between 1979 and 2018 were reviewed. Individual CH4 mitigation interventions were classified into 14 categories of feed additives based on their type, chemical composition, and mode of action. Response variables evaluated were absolute CH4 emission (number of treatment means comparisons = 1,325); total volatile fatty acids (VFA; n = 1,007), acetate (n = 783), propionate (n = 792), and butyrate (n = 776) concentrations; acetate to propionate ratio (A:P; n = 675); digestibility of dry matter (DM; n = 489), organic matter (OM; n = 277), and neutral detergent fiber (NDF; n = 177). Total gas production was used as an explanatory variable in the model for CH4 production. Relative mean difference between treatment and control means reported in the studies were calculated and used for statistical analysis. Robust variance estimation method was used to analyze the effects of CH4 mitigation interventions. In vitro CH4 production was decreased by antibodies (-38.9%), chemical inhibitors (-29.2%), electron sinks (-18.9%), essential oils (-18.2%), plant extracts (-14.5%), plants inclusion (-11.7%), saponins (-14.8%), and tannins (-14.5%). Overall effects of direct fed microbials, enzymes, macroalgae, and organic acids supplementation did not affect CH4 production in the current meta-analysis. When considering the effects of individual mitigation interventions containing a minimum number of 4 degrees of freedom within feed additives categories, Enterococcus spp. (i.e., direct fed microbial), nitrophenol (i.e., electron sink), and Leucaena spp. (i.e., tannins) decreased CH4 production by 20.3, 27.1, and 23.5%, respectively, without extensively, or only slightly, affecting ruminal fermentation and digestibility of nutrients. It should be noted, however, that although the total number of publications (n = 277) and treatment means comparisons (n = 1,325 for CH4 production) in the current analysis were high, data for most mitigation interventions were obtained from less than 5 observations (e.g., maximum number of observations was 4, 7, and 22 for nitrophenol, Enterococcus spp., and Leucaena spp., respectively), because of limited data available in the literature. These should be further evaluated in vitro and in vivo to determine their true potential to decrease enteric CH4 production, yield, and intensity. Some mitigation interventions (e.g., magnesium, Heracleum spp., nitroglycerin, β-cyclodextrin, Leptospermum pattersoni, Fructulus Ligustri, Salix caprea, and Sesbania grandiflora) decreased in vitro CH4 production by over 50% but did not have enough observations in the database. These should be more extensively investigated in vitro, and the dose effect must be considered before adoption of mitigation interventions in vivo.
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Affiliation(s)
- L F Martins
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802
| | - S F Cueva
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802
| | - C F A Lage
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802; Cornell Cooperative Extension, Bath, NY, USA 14810
| | - M Ramin
- Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, Umeå, Sweden SE-901 83
| | - T Silvestre
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802; Kemin Industries, Singapore, 758200
| | - J Tricarico
- Innovation Center for U.S. Dairy, Rosemont, IL, USA 60018
| | - A N Hristov
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802.
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Stepanchenko N, Stefenoni H, Hennessy M, Nagaraju I, Wasson DE, Cueva SF, Räisänen SE, Dechow CD, Pitta DW, Hristov AN. Microbial composition, rumen fermentation parameters, enteric methane emissions, and lactational performance of phenotypically high and low methane-emitting dairy cows. J Dairy Sci 2023; 106:6146-6170. [PMID: 37479584 DOI: 10.3168/jds.2022-23190] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 03/05/2023] [Indexed: 07/23/2023]
Abstract
This experiment was designed to investigate the relation of high and low methane-yield phenotypes with body weight (BW), dry matter intake (DMI), lactation performance, enteric CH4 emissions, and rumen fermentation parameters in lactating dairy cows. A total of 130 multi- and primiparous Holstein cows were screened for enteric CH4 emissions using the GreenFeed system (C-Lock Inc.). Out of these 130 cows, 5 were identified as phenotypically high (HM) and 5 as phenotypically low (LM) CH4 emitters. Cows in the LM group had lower daily enteric CH4 emissions than cows in the HM group (on average 346 vs. 439 g/d, respectively), lower CH4 yield (15.5 vs. 20.4 g of CH4/kg of DMI), and CH4 intensity (13.2 vs. 17.0 g of CH4/ kg of energy-corrected milk yield). Enteric emissions of CO2 and H2 did not differ between HM and LM cows. These 10 cows were blocked by parity, days in milk, and milk production, and were used in a 5-wk randomized complete block design experiment. Milk composition, production, and BW were also not different between LM and HM cows. The concentration of total volatile fatty acids in ruminal contents did not differ between CH4 phenotypes, but LM cows had a lower molar proportion of acetate (57 vs. 62.1%), a higher proportion of propionate (27.5 vs. 21.6%, respectively), and therefore a lower acetate-to-propionate ratio than HM cows. Consistently, the 16S cDNA analysis revealed the abundance of Succinivibrionaceae and unclassified Veillonellaceae to be higher in LM cows compared with HM cows, bacteria that were positively correlated with ruminal propionate concentration. Notably, Succinivibrionaceae trigger the formation of propionate via oxaloacetate pathway from phosphoenolpyruvate via Enzyme Commission: 4.1.1.49, which showed a trend to be higher in LM cows compared with HM cows. Additionally, LM cows possessed fewer transcripts of a gene encoding for methyl-CoM reductase enzyme compared with HM. In this study, low and high CH4-yield cows have similar production performance and milk composition, but total-tract apparent digestibility of organic matter and fiber fractions was lower in the former group of animals.
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Affiliation(s)
- N Stepanchenko
- Department of Animal Science, The Pennsylvania State University, University Park 16802
| | - H Stefenoni
- Department of Animal Science, The Pennsylvania State University, University Park 16802
| | - M Hennessy
- Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, New Bolton Center, Kennett Square 193482
| | - I Nagaraju
- Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, New Bolton Center, Kennett Square 193482
| | - D E Wasson
- Department of Animal Science, The Pennsylvania State University, University Park 16802
| | - S F Cueva
- Department of Animal Science, The Pennsylvania State University, University Park 16802
| | - S E Räisänen
- Department of Animal Science, The Pennsylvania State University, University Park 16802; Department of Agricultural Sciences, University of Helsinki, P.O. Box 28, FI-00014 University of Helsinki, Finland
| | - C D Dechow
- Department of Animal Science, The Pennsylvania State University, University Park 16802
| | - D W Pitta
- Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, New Bolton Center, Kennett Square 193482.
| | - A N Hristov
- Department of Animal Science, The Pennsylvania State University, University Park 16802.
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van Gastelen S, Jan van Dooren H, Bannink A. Enteric and manure emissions from Holstein-Friesian dairy cattle fed grass silage-based or corn silage-based diets. J Dairy Sci 2023; 106:6094-6113. [PMID: 37479574 DOI: 10.3168/jds.2022-22378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 03/06/2023] [Indexed: 07/23/2023]
Abstract
This study aimed to evaluate trade-offs between enteric and manure CH4 emissions, and the size of synergistic effects for CH4 and nitrogenous emissions (NH3 and N2O). Sixty-four Holstein-Friesian cows were blocked in groups of 4 based on parity, lactation stage, and milk yield. Cows within a block were randomly allocated to a dietary sequence in a crossover design with a grass silage-based diet (GS) and a corn silage-based diet (CS). The GS diet consisted of 50% grass silage and 50% concentrate, and CS consisted of 10% grass silage, 40% corn silage, and 50% concentrate (dry matter basis). The composition of the concentrate was identical for both diets. Cows were housed in groups of 16 animals, in 4 mechanically ventilated barn units for independent emission measurement. Treatment periods were composed of a 2-wk adaptation period followed by a 5-wk measurement period, 1 wk of which was without cows to allow separation of enteric and manure emissions. In each barn unit, ventilation rates and concentrations of CH4, CO2, NH3, and N2O in incoming and outgoing air were measured. Cow excretion of organic matter was higher for CS compared with GS. Enteric CH4 and cow-associated NH3 and N2O emissions (i.e., manure emissions excluded) were lower for CS compared with GS (-11, -40, and -45%, respectively). The CH4 and N2O emissions from stored manure (i.e., in absence of cows) were not affected by diet, whereas that of NH3 emission tended to be lower for CS compared with GS. In conclusion, there was no trade-off between enteric and manure CH4 emissions, and there were synergistic effects for CH4 and nitrogenous emissions when grass silage was exchanged for corn silage, without balancing the diets for crude protein content, in this short-term study.
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Affiliation(s)
- Sanne van Gastelen
- Wageningen Livestock Research, Wageningen University & Research, 6700 AH, Wageningen, the Netherlands.
| | - Hendrik Jan van Dooren
- Wageningen Livestock Research, Wageningen University & Research, 6700 AH, Wageningen, the Netherlands
| | - André Bannink
- Wageningen Livestock Research, Wageningen University & Research, 6700 AH, Wageningen, the Netherlands
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Zhang X, Li Y, Terranova M, Ortmann S, Kehraus S, Gerspach C, Kreuzer M, Clauss M, Hummel J. A pilot investigation on the effect of induced saliva flow on digestive parameters in sheep, and a comparison with cattle. J Anim Physiol Anim Nutr (Berl) 2023; 107:1176-1186. [PMID: 36891877 DOI: 10.1111/jpn.13815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 01/19/2023] [Accepted: 02/21/2023] [Indexed: 03/10/2023]
Abstract
Sheep with a relatively low methane yield were observed to have shorter fluid and particle mean retention times (MRT). Because the application of pilocarpine, a saliva stimulant, was successful in reducing retention times in ruminants in previous studies, we applied this substance to sheep, expecting a reduction in MRT and methane yield. Three non-pregnant sheep (74 ± 10 kg) were fed a hay-only diet in a 3 × 3 Latin square design with oral doses of 0, 2.5 and 5 mg pilocarpine/kg body weight and day. Measurements included feed and water intake, MRT of liquid and particulate phases in the reticulorumen (RR) and total gastrointestinal tract (GIT), ruminal microbial yield (via urinary purine bases and metabolic faecal nitrogen), total tract methane emission, apparent nutrient digestibility and rumen fluid parameters. Data were investigated for linear and quadratic effects using orthogonal polynomial contrasts. The MRT of liquid and small particles in the RR and total GIT, and the short-chain fatty acid concentration in rumen fluid, linearly declined with increasing pilocarpine dosage, while no quadratic relationship was detected. Intake of feed DM and water, apparent nutrient digestibility, methane yield and microbial yield were not affected by pilocarpine. When combining the sheep data with that of a similar experiment in cattle, we found that the MRT of the liquid phase was positively associated with estimated NDF digestibility and with methane production per digested NDF, but was not associated with microbial yield or the ratio of acetate to propionate. The ratio between MRT of the particulate and the liquid phase was smaller for sheep than that for cattle, and was not affected by treatment. Differences in this ratio might explain why species reacted differently to the saliva-inducing agent, which might help to explain the discrepancy between species in the effect of induced saliva flow on digestive parameters.
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Affiliation(s)
- Xiaoyu Zhang
- Ruminant Nutrition, Department of Animal Sciences, University of Göttingen, Göttingen, Germany
| | - Yang Li
- Institute of Agricultural Sciences, ETH Zurich, Lindau, Switzerland
| | | | - Sylvia Ortmann
- Leibniz Institute for Zoo and Wildlife Research (IZW), Berlin, Germany
| | - Saskia Kehraus
- Institute of Animal Science, University of Bonn, Bonn, Germany
| | - Christian Gerspach
- Food Animal Department, Vetsuisse Faculty, University of Zurich, Zürich, Switzerland
| | - Michael Kreuzer
- Institute of Agricultural Sciences, ETH Zurich, Lindau, Switzerland
| | - Marcus Clauss
- Clinic for Zoo Animals, Exotic Pets and Wildlife, Vetsuisse Faculty, University of Zurich, Zürich, Switzerland
- AgroVet-Strickhof, Lindau Site, Lindau, Switzerland
| | - Jürgen Hummel
- Ruminant Nutrition, Department of Animal Sciences, University of Göttingen, Göttingen, Germany
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de Ondarza MB, Hristov AN, Tricarico JM. A global dataset of enteric methane mitigation experiments with lactating and non-lactating dairy cows conducted from 1963 to 2022. Data Brief 2023; 49:109459. [PMID: 37577736 PMCID: PMC10412760 DOI: 10.1016/j.dib.2023.109459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/20/2023] [Accepted: 07/24/2023] [Indexed: 08/15/2023] Open
Abstract
A dataset of descriptive information was compiled from 213 peer-reviewed scientific publications that focused on dairy cow experiments and measured enteric methane emissions. This dataset was primarily based on the bibliography used by Arndt et al. (2022), with the addition of studies conducted from 2019 to 2022. The articles were identified for inclusion in the dataset using the "Web of Science Core Collection" database, using various combinations of search terms related to methane, dairy, cattle, rumen, ruminant, energy balance, energy metabolism, energy partitioning, and enteric emissions. For inclusion in the dataset, studies had to be written in English and provide information on enteric methane emission, as well as report feed dry matter intake along with measures of variance. Both continuous and crossover design studies were included, resulting in a comprehensive dataset with 797 records (rows) and 162 variables (columns). The variables cover various aspects such as publication information, experimental design, animal description, methane measurement method, and diet nutrient composition. Additionally, when available, the dataset includes treatment means and measures of variance for feed dry matter intake, rumen fermentation parameters, nutrient digestibility, nitrogen excretion, milk yield, milk components, as well as enteric methane, carbon dioxide, and hydrogen emissions. Researchers can use this dataset to assess the effectiveness of different enteric methane mitigation strategies and their impact on milk yield and other essential dairy cow nutrition and performance variables. Furthermore, it offers the opportunity to explore potential interactions between nutrients and feed additives.
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Affiliation(s)
| | - Alexander N. Hristov
- Department of Animal Science, Pennsylvania State University, 109 AVBS Building, University Park, PA 16802, USA
| | - Juan M. Tricarico
- Dairy Management Inc., 10255 W. Higgins Road, Suite 900, Rosemont, IL 60018, USA
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Trotta RJ, Kreikemeier KK, Foote S, McLeod KR, Harmon DL. Influence of Anti-Coccidial Compounds and Phytogenic Saponin Extracts on In Vitro and In Vivo Ruminal Fermentation and Methane Production of Cattle. Animals (Basel) 2023; 13:2308. [PMID: 37508084 PMCID: PMC10376241 DOI: 10.3390/ani13142308] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/28/2023] [Accepted: 07/08/2023] [Indexed: 07/30/2023] Open
Abstract
Four experiments were conducted to evaluate sources of anti-coccidial compounds and phytogenic saponin extracts on in vitro and in vivo ruminal fermentation and CH4 production at multiple inclusion levels. In experiment 1, eight steers were fed either a finishing diet or a finishing diet supplemented with 0.5 mg/kg BW decoquinate (DCQ) and 3.33 mg/kg BW Yucca schidigera extract (YSE), and respiratory gas exchange was measured. In experiment 2, four ruminally-cannulated steers were fed the same treatments as experiment 1, and ruminal fermentation was evaluated. Anti-coccidial sources (experiment 3; monensin, DCQ, amprolium) and saponin sources (experiment 4; YSE, Quillaja saponaria extract) and levels were evaluated for effects on in vitro ruminal fermentation and CH4 production. DCQ + YSE supplementation did not influence (p ≥ 0.24) in vivo respiratory gas consumption/production, in situ DM degradation, or liquid passage kinetics. Ruminal propionate proportion tended to increase (p = 0.09) with DCQ + YSE. Monensin decreased (p ≤ 0.04) in vitro acetate:propionate and CH4 production; saponin supplementation linearly increased (p < 0.01) propionate proportion but did not influence (p ≥ 0.38) in vitro CH4 production. Saponins and non-antibiotic anti-coccidials did not influence in vitro or in vivo CH4 production with finishing diets.
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Affiliation(s)
- Ronald J Trotta
- Department of Animal and Food Sciences, University of Kentucky, Lexington, KY 40546, USA
| | | | - Scott Foote
- Hoxie Feedyard, Foote Cattle Co., Hoxie, KS 67740, USA
| | - Kyle R McLeod
- Department of Animal and Food Sciences, University of Kentucky, Lexington, KY 40546, USA
| | - David L Harmon
- Department of Animal and Food Sciences, University of Kentucky, Lexington, KY 40546, USA
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Morgavi DP, Cantalapiedra-Hijar G, Eugène M, Martin C, Noziere P, Popova M, Ortigues-Marty I, Muñoz-Tamayo R, Ungerfeld EM. Review: Reducing enteric methane emissions improves energy metabolism in livestock: is the tenet right? Animal 2023; 17 Suppl 3:100830. [PMID: 37263815 DOI: 10.1016/j.animal.2023.100830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/21/2022] [Accepted: 12/30/2022] [Indexed: 06/03/2023] Open
Abstract
The production of enteric methane in the gastrointestinal tract of livestock is considered as an energy loss in the equations for estimating energy metabolism in feeding systems. Therefore, the spared energy resulting from specific inhibition of methane emissions should be re-equilibrated with other factors of the equation. And, it is commonly assumed that net energy from feeds increases, thus benefitting production functions, particularly in ruminants due to the important production of methane in the rumen. Notwithstanding, we confirm in this work that inhibition of emissions in ruminants does not transpose into consistent improvements in production. Theoretical calculations of energy flows using experimental data show that the expected improvement in net energy for production is small and difficult to detect under the prevailing, moderate inhibition of methane production (≈25%) obtained using feed additives inhibiting methanogenesis. Importantly, the calculation of energy partitioning using canonical models might not be adequate when methanogenesis is inhibited. There is a lack of information on various parameters that play a role in energy partitioning and that may be affected under provoked abatement of methane. The formula used to calculate heat production based on respiratory exchanges should be validated when methanogenesis is inhibited. Also, a better understanding is needed of the effects of inhibition on fermentation products, fermentation heat, and microbial biomass. Inhibition induces the accumulation of H2, the main substrate used to produce methane, that has no energetic value for the host, and it is not extensively used by the majority of rumen microbes. Currently, the fate of this excess of H2 and its consequences on the microbiota and the host are not well known. All this additional information will provide a better account of energy transactions in ruminants when enteric methanogenesis is inhibited. Based on the available information, it is concluded that the claim that enteric methane inhibition will translate into more feed-efficient animals is not warranted.
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Affiliation(s)
- D P Morgavi
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genes-Champanelle, France.
| | - G Cantalapiedra-Hijar
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genes-Champanelle, France
| | - M Eugène
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genes-Champanelle, France
| | - C Martin
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genes-Champanelle, France
| | - P Noziere
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genes-Champanelle, France
| | - M Popova
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genes-Champanelle, France
| | - I Ortigues-Marty
- Université Clermont Auvergne, INRAE, VetAgro Sup, UMR Herbivores, F-63122 Saint-Genes-Champanelle, France
| | - R Muñoz-Tamayo
- Université Paris-Saclay, INRAE, AgroParisTech, UMR Modélisation Systémique Appliquée aux Ruminants, 91120 Palaiseau, France
| | - E M Ungerfeld
- Centro Regional de Investigación Carillanca, Instituto de Investigaciones Agropecuarias INIA, Temuco 4880000, Chile
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Wasson DE, Stefenoni H, Cueva SF, Lage C, Räisänen SE, Melgar A, Fetter M, Hennessy M, Narayan K, Indugu N, Pitta D, Yarish C, Hristov AN. Screening macroalgae for mitigation of enteric methane in vitro. Sci Rep 2023; 13:9835. [PMID: 37330586 PMCID: PMC10276865 DOI: 10.1038/s41598-023-36359-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/02/2023] [Indexed: 06/19/2023] Open
Abstract
This study investigated the effects of 67 species of macroalgae on methanogenesis and rumen fermentation in vitro. Specimens were analyzed for their effect on ruminal fermentation and microbial community profiles. Incubations were carried out in an automated gas production system for 24-h and macroalgae were tested at 2% (feed dry matter basis) inclusion rate. Methane yield was decreased 99% by Asparagopsis taxiformis (AT) when compared with the control. Colpomenia peregrina also decreased methane yield 14% compared with control; no other species influenced methane yield. Total gas production was decreased 14 and 10% by AT and Sargassum horneri compared with control, respectively. Total volatile fatty acid (VFA) concentration was decreased between 5 and 8% by 3 macroalgae, whereas AT reduced it by 10%. Molar proportion of acetate was decreased 9% by AT, along with an increase in propionate by 14%. Asparagopsis taxiformis also increased butyrate and valerate molar proportions by 7 and 24%, respectively, whereas 3 macroalgae species decreased molar proportion of butyrate 3 to 5%. Vertebrata lanosa increased ammonia concentration, whereas 3 other species decreased it. Inclusion of AT decreased relative abundance of Prevotella, Bacteroidales, Firmicutes and Methanobacteriaceae, whereas Clostridium, Anaerovibrio and Methanobrevibacter were increased. Specific gene activities for Methanosphaera stadtmane and Methanobrevibacter ruminantium were decreased by AT inclusion. In this in vitro study, Asparagopsis taxiformis was most effective in decreasing methane concentration and yield, but also decreased total gas production and VFA concentration which indicates overall inhibition of ruminal fermentation. No other macroalgae were identified as potential mitigants of enteric methane.
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Affiliation(s)
- D E Wasson
- Department of Animal Science, The Pennsylvania State University, University Park, PA, 16802, USA.
| | - H Stefenoni
- Department of Animal Science, The Pennsylvania State University, University Park, PA, 16802, USA
| | - S F Cueva
- Department of Animal Science, The Pennsylvania State University, University Park, PA, 16802, USA
| | - C Lage
- Department of Animal Science, The Pennsylvania State University, University Park, PA, 16802, USA
| | - S E Räisänen
- Department of Animal Science, The Pennsylvania State University, University Park, PA, 16802, USA
- Department of Environmental Sciences, Institute of Agricultural Sciences, ETH Zürich, 8092, Zürich, Switzerland
| | - A Melgar
- Department of Animal Science, The Pennsylvania State University, University Park, PA, 16802, USA
- Agricultural Innovation Institute of Panama (IDIAP), 161 Carlos Lara Street, City of Knowledge, 07144, Panama
| | - M Fetter
- Department of Animal Science, The Pennsylvania State University, University Park, PA, 16802, USA
| | - M Hennessy
- Department of Clinical Studies, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA, 19348, USA
| | - K Narayan
- Department of Clinical Studies, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA, 19348, USA
| | - N Indugu
- Department of Clinical Studies, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA, 19348, USA
| | - D Pitta
- Department of Clinical Studies, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA, 19348, USA
| | - C Yarish
- Department of Ecology and Evolutionary Biology, University of Connecticut, Stamford, CT, 06901, USA
| | - A N Hristov
- Department of Animal Science, The Pennsylvania State University, University Park, PA, 16802, USA.
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Souza VC, Moraes LE, Baumgard LH, Santos JEP, Mueller ND, Rhoads RP, Kebreab E. Modeling the effects of heat stress in animal performance and enteric methane emissions in lactating dairy cows. J Dairy Sci 2023:S0022-0302(23)00268-0. [PMID: 37225587 DOI: 10.3168/jds.2022-22658] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 01/20/2023] [Indexed: 05/26/2023]
Abstract
Heat stress (HS) negatively affects dry matter intake (DMI), milk yield (MY), feed efficiency (FE), and free water intake (FWI) in dairy cows, with detrimental consequences to animal welfare, health, and profitability of dairy farms. Absolute enteric methane (CH4) emission, yield (CH4/DMI), and intensity (CH4/MY) may also be affected. Therefore, the goal of this study was to model the changes in dairy cow productivity, water intake, and absolute CH4 emissions, yield, and intensity with the progression (days of exposure) of a cyclical HS period in lactating dairy cows. Heat stress was induced by increasing the average temperature by 15°C (from 19°C in the thermoneutral period to 34°C) while keeping relative humidity constant at 20% (temperature-humidity index peaks of approximately 83) in climate-controlled chambers for up to 20 d. A database composed of individual records (n = 1,675) of DMI and MY from 82 heat-stressed lactating dairy cows housed in environmental chambers from 6 studies was used. Free water intake was also estimated based on DMI, dry matter, crude protein, sodium, and potassium content of the diets, and ambient temperature. Absolute CH4 emissions was estimated based on DMI, fatty acids, and dietary digestible neutral detergent fiber content of the diets. Generalized additive mixed-effects models were used to describe the relationships of DMI, MY, FE, and absolute CH4 emissions, yield, and intensity with HS. Dry matter intake and absolute CH4 emissions and yield reduced with the progression of HS up to 9 d, when it started to increase again up to 20 d. Milk yield and FE reduced with the progression of HS up to 20 d. Free water intake (kg/d) decreased during the exposure to HS mainly because of a reduction in DMI; however, when expressed in kg/kg of DMI it increased modestly. Methane intensity also reduced initially up to d 5 during HS exposure but then started to increase again following the DMI and MY pattern up to d 20. However, the reductions in CH4 emissions (absolute, yield, and intensity) occurred at the expense of decreases in DMI, MY, and FE, which are not desirable. This study provides quantitative predictions of the changes in animal performance (DMI, MY, FE, FWI) and CH4 emissions (absolute, yield, and intensity) with the progression of HS in lactating dairy cows. The models developed in this study could be used as a tool to help dairy nutritionists to decide when and how to adopt strategies to mitigate the negative effects of HS on animal health and performance and related environmental costs. Thus, more precise and accurate on-farm management decisions could be taken with the use of these models. However, application of the developed models outside of the ranges of temperature-humidity index and period of HS exposure included in this study is not recommended. Also, validation of predictive capacity of the models to predict CH4 emissions and FWI using data from in vivo studies where these variables are measured in heat-stressed lactating dairy cows is required before these models can be used.
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Affiliation(s)
- V C Souza
- Department of Animal Science, University of California, Davis, CA 95616.
| | - L E Moraes
- Department of Animal Science, University of California, Davis, CA 95616
| | - L H Baumgard
- Department of Animal Science, Iowa State University, Ames, IA 50011
| | - J E P Santos
- Department of Animal Sciences, University of Florida, Gainesville, FL 32611
| | - N D Mueller
- Department of Ecosystem Science and Sustainability & Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO 80523
| | - R P Rhoads
- School of Animal Sciences, Virginia Tech, Blacksburg, VA 24061
| | - E Kebreab
- Department of Animal Science, University of California, Davis, CA 95616
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Khurana R, Brand T, Tapio I, Bayat AR. Effect of a garlic and citrus extract supplement on performance, rumen fermentation, methane production, and rumen microbiome of dairy cows. J Dairy Sci 2023:S0022-0302(23)00273-4. [PMID: 37225588 DOI: 10.3168/jds.2022-22838] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/23/2023] [Indexed: 05/26/2023]
Abstract
The aim of this trial was to determine the effect of a garlic and citrus extract supplement (GCE) on the performance, rumen fermentation, methane emissions, and rumen microbiome of dairy cows. Fourteen multiparous Nordic Red cows in mid-lactation from the research herd of Luke (Jokioinen, Finland) were allocated to 7 blocks in a complete randomized block design based on body weight, days in milk, dry matter intake (DMI), and milk yield. Animals within each block were randomly allocated to a diet with or without GCE. The experimental period for each block of cows (one for each of the control and GCE groups) consisted of 14 d of adaptation followed by 4 d of methane measurements inside the open circuit respiration chambers, with the first day being considered as acclimatization. Data were analyzed using the GLM procedure of SAS (SAS Institute Inc.). Methane production (g/d) and methane intensity (g/kg of energy-corrected milk) were lower by 10.3 and 11.7%, respectively, and methane yield (g/kg of DMI) tended to be lower by 9.7% in cows fed GCE compared with the control. Dry matter intake, milk production, and milk composition were similar between treatments. Rumen pH and total volatile fatty acid concentrations in rumen fluid were similar, whereas GCE tended to increase molar propionate concentration and decrease the molar ratio of acetate to propionate. Supplementation with GCE resulted in greater abundance of Succinivibrionaceae, which was associated with reduced methane. The relative abundance of the strict anaerobic Methanobrevibacter genus was reduced by GCE. The change in microbial community and rumen propionate proportion may explain the decrease in enteric methane emissions. In conclusion, feeding GCE to dairy cows for 18 d modified rumen fermentation and microbiota, leading to reduced methane production and intensity without compromising DMI or milk production in dairy cows. This could be an effective strategy for enteric methane mitigation of dairy cows.
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Affiliation(s)
| | | | - Ilma Tapio
- Production Systems, Natural Resources Institute Finland (Luke), Jokioinen 31600, Finland
| | - Ali-Reza Bayat
- Production Systems, Natural Resources Institute Finland (Luke), Jokioinen 31600, Finland
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Muizelaar W, van Duinkerken G, Khan Z, Dijkstra J. Evaluation of 3 northwest European seaweed species on enteric methane production and lactational performance of Holstein-Friesian dairy cows. J Dairy Sci 2023:S0022-0302(23)00270-9. [PMID: 37225576 DOI: 10.3168/jds.2022-22749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 01/23/2023] [Indexed: 05/26/2023]
Abstract
Seaweeds have been studied for their ability to reduce enteric methane emissions of ruminants when fed as a feed supplement. In vivo research with dairy cattle is mainly limited to the seaweed species Ascophyllum nodosum and Asparagopsis taxiformis, whereas in vitro gas production research covers a broader range of brown, red, and green seaweed species from different regions. The objective of the present study was to determine the effect of Chondrus crispus (Rhodophyta), Saccharina latissima (Phaeophyta), and Fucus serratus (Phaeophyta), 3 common northwest European seaweeds, on enteric methane production and lactational performance of dairy cattle. Sixty-four Holstein-Friesian dairy cattle (16 primiparous, 48 multiparous) averaging (mean ± standard deviation) 91 ± 22.6 d in milk and 35.4 ± 8.13 kg/d fat- and protein-corrected milk yield (FPCM) were randomly assigned to 1 of 4 treatments in a randomized complete block design. Cows were fed a partial mixed ration [54.2% grass silage, 20.8% corn silage, and 25.0% concentrate; dry matter (DM) basis] with additional concentrate bait in the milking parlor and the GreenFeed system (C-Lock Inc.). The 4 treatments consisted of a control diet without seaweed supplement (CON), or CON supplemented with 150 g/d (fresh weight of dried seaweed) of either C. crispus (CC), S. latissima (SL), or a 50/50 mix (DM basis) of F. serratus and S. latissima. Milk yield (28.7 vs. 27.5 kg/d, respectively), fat- and protein-corrected milk (FPCM) yield (31.4 vs. 30.2 kg/d, respectively), milk lactose content (4.57 vs. 4.52%, respectively), and lactose yield (1,308 vs. 1,246 g/d, respectively) increased for SL compared with CON. Milk protein content was lower for SL compared with the other treatments. Milk fat and protein contents; yields of fat, protein, lactose, and FPCM; feed efficiency; milk nitrogen efficiency; and somatic cell count did not differ between CON and the other treatments. Depending on week of experiment, milk urea content was higher for SL compared with CON and CC. No effects were observed of the treatments compared with CON for DM intake, number of visits to the GreenFeed, or gas emission (production, yield, or intensity) of CO2, CH4, and H2. In conclusion, the seaweeds evaluated did not decrease enteric CH4 emissions and did not negatively affect feed intake and lactational performance of dairy cattle. Milk yield, FPCM yield, milk lactose content, and lactose yield increased, and milk protein content decreased, with S. latissima.
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Affiliation(s)
- W Muizelaar
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands; Animal Nutrition Group, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands.
| | - G van Duinkerken
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands
| | - Z Khan
- Foundation BlueO2, Oude Haagweg 679, 2552 GM Den Haag, the Netherlands
| | - J Dijkstra
- Animal Nutrition Group, Wageningen University & Research, PO Box 338, 6700 AH Wageningen, the Netherlands
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O’Hara E, Terry SA, Moote P, Beauchemin KA, McAllister TA, Abbott DW, Gruninger RJ. Comparative analysis of macroalgae supplementation on the rumen microbial community: Asparagopsis taxiformis inhibits major ruminal methanogenic, fibrolytic, and volatile fatty acid-producing microbes in vitro. Front Microbiol 2023; 14:1104667. [PMID: 37077241 PMCID: PMC10109387 DOI: 10.3389/fmicb.2023.1104667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 02/23/2023] [Indexed: 04/05/2023] Open
Abstract
Seaweeds have received a great deal of attention recently for their potential as methane-suppressing feed additives in ruminants. To date, Asparagopsis taxiformis has proven a potent enteric methane inhibitor, but it is a priority to identify local seaweed varieties that hold similar properties. It is essential that any methane inhibitor does not compromise the function of the rumen microbiome. In this study, we conducted an in vitro experiment using the RUSITEC system to evaluate the impact of three red seaweeds, A. taxiformis, Palmaria mollis, and Mazzaella japonica, on rumen prokaryotic communities. 16S rRNA sequencing showed that A. taxiformis had a profound effect on the microbiome, particularly on methanogens. Weighted Unifrac distances showed significant separation of A. taxiformis samples from the control and other seaweeds (p < 0.05). Neither P. mollis nor M. japonica had a substantial effect on the microbiome (p > 0.05). A. taxiformis reduced the abundance of all major archaeal species (p < 0.05), leading to an almost total disappearance of the methanogens. Prominent fiber-degrading and volatile fatty acid (VFA)-producing bacteria including Fibrobacter and Ruminococcus were also inhibited by A. taxiformis (p < 0.05), as were other genera involved in propionate production. The relative abundance of several other bacteria including Prevotella, Bifidobacterium, Succinivibrio, Ruminobacter, and unclassified Lachnospiraceae were increased by A. taxiformis suggesting that the rumen microbiome adapted to an initial perturbation. Our study provides baseline knowledge of microbial dynamics in response to seaweed feeding over an extended period and suggests that feeding A. taxiformis to cattle to reduce methane may directly, or indirectly, inhibit important fiber-degrading and VFA-producing bacteria.
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Torres B, Espinoza Í, Torres A, Herrera-Feijoo R, Luna M, García A. Livelihood Capitals and Opportunity Cost for Grazing Areas' Restoration: A Sustainable Intensification Strategy in the Ecuadorian Amazon. Animals (Basel) 2023; 13:ani13040714. [PMID: 36830503 PMCID: PMC9952715 DOI: 10.3390/ani13040714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/09/2023] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
Land use change in pastures is considered one of the leading drivers of tropical deforestation in the Ecuadorian Amazon Region (EAR). To halt and reverse this process, it is necessary to understand, among other factors, the local livelihoods, income from grazing area and the appropriate options to foster sustainable production, incorporating the land-sparing and land-sharing approach. This work was conducted using 167 household surveys along an altitudinal gradient within the buffer and transition zone of the Sumaco Biosphere Reserve (SBR) in the EAR. The results of a comparative analysis of the main capital variables (human, social, natural, financial, and physical), and the opportunity cost of grazing area assessment provides the following key findings: (a) the concepts of land sparing and land sharing should be considered as complementary local strategies, including household livelihoods and the opportunity cost of the grazing area; (b) we should encourage markets with differentiated restoration rights, based on households engaged in low grazing areas' opportunity costs, and making less impact on capitals' livelihood a key element of economic and conservation initiatives; and (c) sectoral policy implications, including moderate intensification and technological improvements to strengthen the pastureland-sparing and -sharing approach, are discussed.
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Affiliation(s)
- Bolier Torres
- Faculty of Life Sciences, Amazon State University (UEA), Pastaza 160101, Ecuador
- Department of Animal Production, Faculty of Veterinary Sciences, University of Cordoba, 14071 Cordoba, Spain
- Postgraduate Unit, State Technical University of Quevedo (UTEQ), Quevedo Av. Quito km, 1 1/2 Vía a Santo Domingo de los Tsáchilas, Quevedo 120550, Ecuador
| | - Ítalo Espinoza
- Faculty of Biological Sciences, State Technical University of Quevedo (UTEQ), Quevedo Av. Quito km, 1 1/2 Vía a Santo Domingo de los Tsáchilas, Quevedo 120550, Ecuador
| | - Alexandra Torres
- Postgraduate Unit, State Technical University of Quevedo (UTEQ), Quevedo Av. Quito km, 1 1/2 Vía a Santo Domingo de los Tsáchilas, Quevedo 120550, Ecuador
- Faculty of Legal, Social and Education Sciences, Technical University of Babahoyo (UTB), Km 3 1/2 Vía a Valencia, Quevedo 120550, Ecuador
| | - Robinson Herrera-Feijoo
- Faculty of Agriculture and Forestry, State Technical University of Quevedo (UTEQ), Quevedo Av. Quito km, 1 1/2 Vía a Santo Domingo de los Tsáchilas, Quevedo 120550, Ecuador
| | - Marcelo Luna
- Faculty of Earth Sciences, Amazon State University (UEA), Pastaza 160101, Ecuador
| | - Antón García
- Department of Animal Production, Faculty of Veterinary Sciences, University of Cordoba, 14071 Cordoba, Spain
- Correspondence:
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Kebreab E, Bannink A, Pressman EM, Walker N, Karagiannis A, van Gastelen S, Dijkstra J. A meta-analysis of effects of 3-nitrooxypropanol on methane production, yield, and intensity in dairy cattle. J Dairy Sci 2023; 106:927-936. [PMID: 36494226 PMCID: PMC9868067 DOI: 10.3168/jds.2022-22211] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 09/08/2022] [Indexed: 12/12/2022]
Abstract
Ruminants, particularly dairy and beef cattle, contribute to climate change through mostly enteric methane emissions. Several mitigating options have been proposed, including the feed additive 3-nitrooxypropanol (3-NOP). The objectives of this study were to explain the variability in the mitigating effect of 3-NOP and to investigate the interaction between diet composition and 3-NOP dose, using meta-analytical approaches. Data from 13 articles (14 experiments) met the selection criteria for inclusion in the meta-analysis, and 48 treatment means were used for the analysis. Mean differences were calculated as 3-NOP treatment mean minus control treatment mean and then expressed as a percentage of the control mean. Three types of models were developed: (1) one including 3-NOP dose, overall mean, and individual covariate; (2) a combination of neutral detergent fiber (NDF), 3-NOP dose, and overall mean; and (3) one selected model from all combinations of up to 5 covariates, which were compared using a leave-one-out cross validation method. Models including only 3-NOP dose resulted in a significant reduction of 32.7%, 30.9%, and 32.6% for CH4 production (g/d), yield (g/kg dry matter intake), and intensity (g/kg energy-corrected milk), respectively, at an average 3-NOP dose of 70.5 mg/kg dry matter (DM). The greater the NDF content in the diet, the lower the reduction efficiency for a given 3-NOP dose. For 10 g/kg DM increase in NDF content from its mean (329 g of NDF/kg of DM) the 3-NOP effect on CH4 production was impaired by 0.633%, the 3-NOP effect on CH4 yield by 0.647%, and the 3-NOP effect on CH4 intensity by 0.723%. The analysis based on leave-one-out cross validation showed an increase in NDF and crude fat content reduces efficacy of 3-NOP and an increase in 3-NOP dose increases efficacy. A 1% (10 g/kg) DM decrease in dietary NDF content from its mean may increase the efficacy of 3-NOP in reducing CH4 production by 0.915%. A 1% (10 g/kg DM) decrease in dietary crude fat content from its mean enhances the efficacy of 3-NOP on CH4 production by 3.080% at a given dose and NDF level. For CH4 yield, next to 3-NOP dose, dietary NDF content and dietary crude fat content were included in the selected model, but also dietary starch content with an opposite direction to NDF and crude fat. The effect of 3-NOP dose on CH4 intensity was similar to its effect on CH4 production, whereas the effect of dietary NDF content was slightly lower. Expanding the previously published models with the newly available data published from trials since then improved model performance, hence demonstrating the value of regularly updating meta-analyses if a wider range of data becomes available.
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Affiliation(s)
- Ermias Kebreab
- Department of Animal Science, University of California, Davis 95616,Corresponding author:
| | - André Bannink
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH, Wageningen, the Netherlands
| | | | - Nicola Walker
- DSM Nutritional Products, Animal Nutrition & Health, PO Box 2676, 4002 Basel, Switzerland
| | - Alexios Karagiannis
- DSM Nutritional Products, Animal Nutrition & Health, PO Box 2676, 4002 Basel, Switzerland
| | - Sanne van Gastelen
- Wageningen Livestock Research, Wageningen University & Research, PO Box 338, 6700 AH, Wageningen, the Netherlands
| | - Jan Dijkstra
- Animal Nutrition Group, Wageningen University & Research, PO Box 338, 6700 AH, Wageningen, the Netherlands
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Congio GFS, Bannink A, Mayorga OL, Rodrigues JPP, Bougouin A, Kebreab E, Carvalho PCF, Berchielli TT, Mercadante MEZ, Valadares-Filho SC, Borges ALCC, Berndt A, Rodrigues PHM, Ku-Vera JC, Molina-Botero IC, Arango J, Reis RA, Posada-Ochoa SL, Tomich TR, Castelán-Ortega OA, Marcondes MI, Gómez C, Ribeiro-Filho HMN, Gere JI, Ariza-Nieto C, Giraldo LA, Gonda H, Cerón-Cucchi ME, Hernández O, Ricci P, Hristov AN. Improving the accuracy of beef cattle methane inventories in Latin America and Caribbean countries. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 856:159128. [PMID: 36181820 DOI: 10.1016/j.scitotenv.2022.159128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 09/18/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
On-farm methane (CH4) emissions need to be estimated accurately so that the mitigation effect of recommended practices can be accounted for. In the present study prediction equations for enteric CH4 have been developed in lieu of expensive animal measurement approaches. Our objectives were to: (1) compile a dataset from individual beef cattle data for the Latin America and Caribbean (LAC) region; (2) determine main predictors of CH4 emission variables; (3) develop and cross-validate prediction models according to dietary forage content (DFC); and (4) compare the predictive ability of these newly-developed models with extant equations reported in literature, including those currently used for CH4 inventories in LAC countries. After outlier's screening, 1100 beef cattle observations from 55 studies were kept in the final dataset (∼ 50 % of the original dataset). Mixed-effects models were fitted with a random effect of study. The whole dataset was split according to DFC into a subset for all-forage (DFC = 100 %), high-forage (94 % ≥ DFC ≥ 54 %), and low-forage (50 % ≥ DFC) diets. Feed intake and average daily gain (ADG) were the main predictors of CH4 emission (g d-1), whereas this was feeding level [dry matter intake (DMI) as % of body weight] for CH4 yield (g kg-1 DMI). The newly-developed models were more accurate than IPCC Tier 2 equations for all subsets. Simple and multiple regression models including ADG were accurate and a feasible option to predict CH4 emission when data on feed intake are not available. Methane yield was not well predicted by any extant equation in contrast to the newly-developed models. The present study delivered new models that may be alternatives for the IPCC Tier 2 equations to improve CH4 prediction for beef cattle in inventories of LAC countries based either on more or less readily available data.
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Affiliation(s)
- Guilhermo F S Congio
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP 13418-900, Brazil.
| | - André Bannink
- Wageningen Livestock Research, Wageningen University & Research, Wageningen, AH 6700, the Netherlands
| | - Olga L Mayorga
- Colombian Corporation for Agricultural Research, Tibaitatá, Bogotá D.C. 250047, Colombia
| | - João P P Rodrigues
- Animal Science Institute, Department of Animal Production, Federal Rural University of Rio de Janeiro, Seropédica, RJ 23897-000, Brazil
| | - Adeline Bougouin
- Department of Animal Science, University of California, Davis, CA 95618, USA
| | - Ermias Kebreab
- Department of Animal Science, University of California, Davis, CA 95618, USA
| | - Paulo C F Carvalho
- Department of Forage Plants and Agrometeorology, Federal University of Rio Grande do Sul, Porto Alegre, RS 91501-970, Brazil
| | - Telma T Berchielli
- Department of Animal Science, São Paulo State University, Jaboticabal, SP 14884-900, Brazil
| | - Maria E Z Mercadante
- Institute of Animal Science, São Paulo Agribusiness Technology Agency, Sertãozinho, SP 14174-000, Brazil
| | | | - Ana L C C Borges
- Department of Animal Science, Federal University of Minas Gerais, Belo Horizonte, MG 31270-901, Brazil
| | - Alexandre Berndt
- Brazilian Agricultural Research Corporation, Embrapa Southeast Livestock, São Carlos, SP 13560-970, Brazil
| | - Paulo H M Rodrigues
- Department of Animal Nutrition and Production, Faculty of Veterinary Medicine and Animal Science, University of São Paulo, Pirassununga, SP 13635-900, Brazil
| | - Juan C Ku-Vera
- Department of Animal Nutrition, Faculty of Veterinary Medicine and Animal Science, University of Yucatan, Mérida, Yucatán 97100, Mexico
| | - Isabel C Molina-Botero
- Department of Animal Husbandry, Faculty of Animal Science, National Agrarian University La Molina, Lima 15024, Peru
| | - Jacobo Arango
- International Center for Tropical Agriculture, Cali, Valle del Cauca 763537, Colombia
| | - Ricardo A Reis
- Department of Animal Science, São Paulo State University, Jaboticabal, SP 14884-900, Brazil
| | - Sandra L Posada-Ochoa
- Faculty of Agricultural Sciences, University of Antioquia, Medellín, Antioquia 050034, Colombia
| | - Thierry R Tomich
- Brazilian Agricultural Research Corporation, Embrapa Dairy Cattle, Juiz de Fora, MG 36038-330, Brazil
| | - Octavio A Castelán-Ortega
- Faculty of Veterinary Medicine and Animal Science, Autonomous University of the State of Mexico, Toluca, Estado de México 50000, Mexico
| | - Marcos I Marcondes
- Department of Animal Sciences, Washington State University, Pullman, WA 99163, USA
| | - Carlos Gómez
- Department of Animal Husbandry, Faculty of Animal Science, National Agrarian University La Molina, Lima 15024, Peru
| | | | - José I Gere
- Regional Faculty of Buenos Aires, National Technological University, Buenos Aires C1179AAQ, Argentina; National Scientific and Technical Research Council, Buenos Aires C1425FQB, Argentina
| | - Claudia Ariza-Nieto
- Colombian Corporation for Agricultural Research, Tibaitatá, Bogotá D.C. 250047, Colombia
| | - Luis A Giraldo
- Department of Animal Production, Faculty of Agricultural Sciences, National University of Colombia, Medellín, Antioquia 2037, Colombia
| | - Horacio Gonda
- Department of Animal Nutrition and Management, Faculty of Veterinary Medicine and Animal Science, Swedish University of Agricultural Sciences, Uppsala 75007, Sweden
| | - María E Cerón-Cucchi
- National Scientific and Technical Research Council, Buenos Aires C1425FQB, Argentina; National Institute of Agricultural Technology, Institute of Pathobiology, Hurlingham C1686, Argentina
| | - Olegario Hernández
- National Institute of Agricultural Technology, Santiago del Estero G4200, Santiago del Estero, Argentina
| | - Patricia Ricci
- National Scientific and Technical Research Council, Buenos Aires C1425FQB, Argentina; National Institute of Agricultural Technology, Balcarce B7620, Argentina
| | - Alexander N Hristov
- Department of Animal Science, The Pennsylvania State University, University Park, PA 16802, USA
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Tedeschi LO, Beauchemin KA. Galyean appreciation club review: a holistic perspective of the societal relevance of beef production and its impacts on climate change. J Anim Sci 2023; 101:skad024. [PMID: 36645233 PMCID: PMC10022392 DOI: 10.1093/jas/skad024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 01/12/2023] [Indexed: 01/17/2023] Open
Abstract
This article provides a science-based, data-driven perspective on the relevance of the beef herd in the U.S. to our society and greenhouse gas (GHG) contribution to climate change. Cattle operations are subject to criticism for their environmental burden, often based on incomplete information disseminated about their social, economic, nutritional, and ecological benefits and detriments. The 2019 data published by the U.S. Environmental Protection Agency reported that U.S. beef cattle emitted 22.6% of the total agricultural emissions, representing about 2.2% of the total anthropogenic emissions of CO2 equivalent (CO2e). Simulations from a computer model developed to address global energy and climate challenges, set to use extreme improvements in livestock and crop production systems, indicated a potential reduction in global CO2e emissions of 4.6% but without significant enhancement in the temperature change by 2030. There are many natural and anthropogenic sources of CH4 emissions. Contrary to the increased contribution of peatlands and water reservoirs to atmospheric CO2e, the steady decrease in the U.S. cattle population is estimated to have reduced its methane (CH4) emissions by about 30% from 1975 to 2021. This CH4 emission deacceleration of 2.46 Mt CO2e/yr2 might be even more significant than reported. Many opportunities exist to mitigate CH4 emissions of beef production, leading to a realistic prospect of a 5% to 15% reduction in the short term after considering the overlapping impacts of combined strategies. Reduction strategies include feeding synthetic chemicals that inactivate the methyl-coenzyme M reductase (the enzyme that catalyzes the last step of methanogenesis in the rumen), red seaweed or algae extracts, ionophore antibiotics, phytochemicals (e.g., condensed tannins and essential oils), and other nutritional manipulations. The proposed net-zero concept might not solve the global warming problem because it will only balance future anthropogenic GHG emissions with anthropogenic removals, leaving global warming on a standby state. Recommendations for consuming red meat products should consider human nutrition, health, and disease and remain independent of controversial evidence of causational relationships with perceived negative environmental impacts of beef production that are not based on scientific data.
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Affiliation(s)
- Luis O Tedeschi
- Department of Animal Science, Texas A&M University, College Station, TX 77845-2471, USA
| | - Karen A Beauchemin
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge, Alberta, T1J 4B1, Canada
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Magnani E, Silva TH, Sakamoto L, Manella MQ, Dias FMGN, Mercadante ME, Henry D, Marcatto JOS, Paula EM, Branco RH. Tannin-based product in feedlot diet as a strategy to reduce enteric methane emissions of Nellore cattle finished under tropical conditions. Transl Anim Sci 2023; 7:txad048. [PMID: 37256191 PMCID: PMC10226682 DOI: 10.1093/tas/txad048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 06/01/2023] Open
Abstract
A total of 120 Nellore bulls, [initial body weight (BW) = 307 ± 11.6 kg and 12 mo of age] were allocated into 12 collective pens (10 bulls per pen) in a commercial feedlot to evaluate the effects of a specific blend of tannin and saponins on enteric methane (CH4) emissions. The study was a completely randomized design, in which pens were considered the experimental units (N = 6 pens per treatment) and were randomly allocated into one of two treatments: 1) Control (CON), a basal diet with monensin supplementation (25 mg/kg dry matter [DM]; Rumensin, Elanco Animal Health, Greenfield, IN, USA), or 2) Control + a specific blend of tannin and saponins (TAN; 7 g/kg DM; composed of quebracho and chestnut tannin extracts along with carriers from cereals rich in saponins; SilvaFeed BX, Silvateam, San Michele Mondovi, CN, Italy). After the adaptation period (20 d), the experiment was divided into two phases: growing phase (21 to 53 d; total of 33 d) and fattening phase (54 to 139 d; total of 86 d). Enteric methane emissions were estimated using the sulfur hexafluoride (SF6) tracer gas technique. Interactions between treatment and period (growing vs. fattening) were detected for daily CH4 emissions, in which animals fed TAN reduced CH4 emissions by 17.3% during the fattening period compared to bulls fed CON (P = 0.05). In addition, bulls fed TAN had lower CH4 emissions expressed by dry matter intake (DMI) during the fattening period compared to bulls fed CON (P = 0.06). The findings presented herein indicate that a specific blend of tannin and saponins can be used as a strategy to reduce enteric CH4 emissions and its intensity of Nellore bulls finished in feedlot systems under tropical conditions.
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Affiliation(s)
- Elaine Magnani
- Institute of Animal Science, Beef Cattle Research Center, Sertãozinho, SP 14160-970, Brazil
| | - Thiago H Silva
- Institute of Animal Science, Beef Cattle Research Center, Sertãozinho, SP 14160-970, Brazil
| | - Leandro Sakamoto
- Institute of Animal Science, Beef Cattle Research Center, Sertãozinho, SP 14160-970, Brazil
| | - Marcelo Q Manella
- Division of Research and Development, Silva Team Brasil, Estância Velha, RS 93600-000, Brazil
| | - Fabio M G N Dias
- Division of Research and Development, JBS Friboi, São Paulo, SP 05118-100, Brazil
| | - Maria E Mercadante
- Institute of Animal Science, Beef Cattle Research Center, Sertãozinho, SP 14160-970, Brazil
| | - Darren Henry
- Department of Animal and Dairy Sciences, University of Georgia, Tifton, GA 31793-89557, USA
| | - Juliana O S Marcatto
- Department of Global Climate Change and Agriculture, Embrapa Environment, Jaguariuna, SP 13820, Brazil
| | - Eduardo M Paula
- Institute of Animal Science, Beef Cattle Research Center, Sertãozinho, SP 14160-970, Brazil
| | - Renata H Branco
- Institute of Animal Science, Beef Cattle Research Center, Sertãozinho, SP 14160-970, Brazil
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50
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Effects of various macroalgae species on methane production, rumen fermentation, and ruminant production: A meta-analysis from in vitro and in vivo experiments. Anim Feed Sci Technol 2022. [DOI: 10.1016/j.anifeedsci.2022.115503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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