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Balyen İ, Bozkurt Kiraz A. Determination of nutritional value and methane production potential of styrax tree ( Styrax officinalis L.) leaves. Heliyon 2024; 10:e34750. [PMID: 39149086 PMCID: PMC11325788 DOI: 10.1016/j.heliyon.2024.e34750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 07/13/2024] [Accepted: 07/16/2024] [Indexed: 08/17/2024] Open
Abstract
This study aimed to determine the effect of nutritional values of the "styrax tree" (Styrax officinalis L.) on in vitro gas production, organic matter digestibility (OMD), and metabolic energy (ME) content. In this study, styrax leaf samples were collected for analysis in three different periods: May, July and September. According to the analysis results, crude ash (CA), dry matter (DM), crude fat (CF), acid detergent fiber (ADF) values, and neutral detergent fiber (NDF) increased in September compared to May and July. In September, compared to May, CA has increased by 23 %, DM by 64 %, CM by 30.5 %, ADF by 9.8 %, and NDF by 9.8 %. During the vegetation period, there was an increase in dry matter content in parallel with maturation. The dry matter content of Styrax tree leaves (STL) increased in May (30 %), July (40 %) and September (50 %). Crude protein amounts were found 19 % in May, 17 % in July, and 15 % in September. As the STL grows, decreases in CP, which plays a role in plant growth, and increases in the cell membrane were observed. The CF content in STL changed to 3.2 %, 4.4 %, and 4.3 % in May, July, and September, respectively, with the highest value determined in July and very close to the September value. CA content in styrax tree plants varied by 8.58 % in May, in July by 9.86 %, and in September by 10.56 %. As the amount of dry matter increased according to the periods, the amount of CA also increased. NDF and ADF levels increased in parallel with the vegetation period's development in STL. NDF was found to be 37.5 %, 39.0 %, and 41.5 % according to the periods. ADF amount was found 27 % in May, 28.5 % in July, and 30 % in September. Metabolic energy varied between 8.86 and 10.06 (MJ/kg KM) depending on the periods. When organic matter digestion levels were examined, it was seen that the highest OMD was in July with 58.71 %. Gas production was determined by incubations of 0, 3, 6, 12, 24, 48, 72, and 96 h, and the maximum gas measurement value was in September, July, and May, respectively. As a result of the study, STL can be a good alternative feed source for ruminants when adequate amounts of high-quality feed materials cannot be provided.
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Affiliation(s)
- İlyas Balyen
- Harran University, Graduate School of Natural and Applied Sciences, Şanlıurfa, Turkey
| | - Ayfer Bozkurt Kiraz
- Harran University, Faculty of Agriculture, Department of Animal Science, Şanlıurfa, Turkey
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Selcuk B, Bilal Y, Bakir T, Ozkan CO. Effects of replacing of alfalfa hay with Plantago lanceolata hay on digestibility, methane production and microbial protein production of total mixed diet. Trop Anim Health Prod 2024; 56:158. [PMID: 38727851 PMCID: PMC11087300 DOI: 10.1007/s11250-024-04017-8] [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: 11/15/2022] [Accepted: 05/02/2024] [Indexed: 05/13/2024]
Abstract
The aim of current experiment was to determine the effect of replacement of alfalfa hay with ribwort plantain (Plantago lanceolata) hay in ruminant diets on the fermentation parameters such as gas production, methane (CH4) production, true digestible dry matter (TDDM), true digestibility (TD), partitioning factor, microbial protein, and efficiency of microbial protein using in vitro gas production technique. The alfalfa hay was replaced with P. lanceolata hay in a diets isocaloric (2650 kcal/kg DM) and nitrogenic (17% CP kg DM) at the ratio of 0, 5, 10 and 15%. Partial substitution of alfalfa hay with P. lanceolata hay had no significant effect on gas and methane (ml/incubated substrate or %) production whereas the partial substitution had a significant effect on TDDM, TD, gas (ml/digested DM), CH4 (ml ml/digested DM) and microbial MP of diets. The replacement of alfalfa hay with ribwort plantain hay shifted the fermentation pattern from gas and methane production to microbial protein production. Therefore alfalfa hay can be replaced with ribwort plantain hay with high digestibility and anti-methanogenic potential in ruminant diets up to 15% to decrease methane production and improve microbial protein production. However further in vivo experiments are required to determine the effect of replacement on feed intake and animal production.
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Affiliation(s)
- Bilal Selcuk
- Department of Animal Science, Kahramanmaraş Sütçü İmam University, Kahramanmaraş, Türkiye.
| | - Yakup Bilal
- Department of Animal Science, Kahramanmaraş Sütçü İmam University, Kahramanmaraş, Türkiye
| | - Tugba Bakir
- Department of Animal Science, Kahramanmaraş Sütçü İmam University, Kahramanmaraş, Türkiye
| | - Cagri Ozgur Ozkan
- Department of Animal Science, Kahramanmaraş Sütçü İmam University, Kahramanmaraş, Türkiye
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Zeng X, Chen Y, Li W, Liu S. Application of fenugreek in ruminant feed: implications for methane emissions and productivity. PeerJ 2024; 12:e16842. [PMID: 38313019 PMCID: PMC10838068 DOI: 10.7717/peerj.16842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 01/05/2024] [Indexed: 02/06/2024] Open
Abstract
Background Human demand for meat and dairy products will increase as a result of economic development and population growth, and the farming of ruminants, such as cattle and sheep, will also increase. Methane (CH4) emission from the enteric fermentation of ruminant livestock is a major source of greenhouse gas emissions and a significant contributor to global warming. Meanwhile, growth performance is often limited and animals are more vulnerable to diseases in high-density, intensive farming, greatly reducing livestock productivity, so developing ways to reduce CH4 emissions and improve ruminant productivity has become a research hotspot. Studies have reported that fenugreek (Trigonella foenum-graecum L.) as feed additives have the potential to reduce ruminant methane and improve the productivity. However, systematic reviews of such studies are lacking. Methodology In this review, databases of Google Scholar, Web of Science, PubMed, Scopus and Science Direct were used for the literature search. The initial keywords search was fenugreek or Trigonella foenum-graecum L. For more focused search, we added terms such as methane, rumen fermentation, growth, milk production and antioxidants. All were done for ruminants. The literature that conforms to the theme of this article is selected, summarized, and finally completed this article. Results By regulating the rumen microbiome (suppressing protozoans, methanogenic bacteria, and fungi), fenugreek can lower CH4 emissions according to many in vitro anaerobic fermentation experiments. Fenugreek secondary metabolites (saponins and tannins) are responsible for this impact, but it is still unclear exactly how they work. Therefore, more long-term in vivo experiments are needed to verify its efficacy. Fenugreek is also rich in alkaloids, amino acids, flavonoids, saponins and phenolic acids. These compounds have been shown to have beneficial effects on ruminant growth, lactation, and total antioxidant capacity. Therefore, fenugreek has a great opportunity to develop into a new green feed additive. Conclusions This review provides a summary of the effect of fenugreek and its bioactive compounds on rumen fermentation, CH4 emissions and production performance by ruminants. In addition, based on the available data, the possible biochemical pathway of fenugreek to reduce CH4 emissions in ruminants was described. Overall, the livestock feed industry has the opportunity to develop natural, environmentally-friendly feed additives based on fenugreek.
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Affiliation(s)
- Xiangbiao Zeng
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Yiwen Chen
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Wenjuan Li
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Shijun Liu
- Shanghai Mugao Biotechnology Co., Ltd, Shanghai, China
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Ciftci B, Kaplan M, Akcura M, Buyukkilic Beyzi S. Assessment of nutritive value, gas and methane production, fermentation of ensiled mixtures of sorghum–cluster bean. JOURNAL OF APPLIED ANIMAL RESEARCH 2023. [DOI: 10.1080/09712119.2023.2165087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Beyza Ciftci
- Department of Field Crops, Faculty of Agriculture, University of Erciyes, Kayseri, Turkey
| | - Mahmut Kaplan
- Department of Field Crops, Faculty of Agriculture, University of Erciyes, Kayseri, Turkey
| | - Mevlut Akcura
- Faculty of Agriculture, Department of Field Crops, Canakkale Onsekiz Mart University, Canakkale, Turkey
| | - Selma Buyukkilic Beyzi
- Department of Animal Science, Faculty of Agriculture, University of Erciyes, Kayseri, Turkey
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Sezmis G, Kaya A, Kaya H, Macit M, Erten K, Palangi V, Lackner M. Comparison of Black Tea Waste and Legume Roughages: Methane Mitigation and Rumen Fermentation Parameters. Metabolites 2023; 13:731. [PMID: 37367889 DOI: 10.3390/metabo13060731] [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: 03/05/2023] [Revised: 05/22/2023] [Accepted: 06/06/2023] [Indexed: 06/28/2023] Open
Abstract
The chemical composition, in vitro total gas and CH4 production and performance of cattle fed on factory black tea waste (Camellia sinensis) (BTW), alfalfa (Medicago Sativa), sainfoin (Onobrychis sativa) and white clover (Trifolium repens) was investigated. The gas production was quantified at the 24th hour of the incubation process. BTW was found to vary from roughages in chemical composition (p < 0.05). In addition, the roughages differed in terms of nutrient composition and gas production (p < 0.05). In legume roughages, acetic acid (AA), propionic acid (PA), butyric acid (BA), and total volatile fatty acids (TVFA) values ranged from 52.36-57.00 mmol/L, 13.46-17.20 mmol/L, 9.79-12.43 mmol/L, and 79.71-89.05 mmol/L, respectively. In comparison with black tea waste, legume roughages had higher values of AA, PA, BA, and TVFA. Black tea waste contained a higher acetic acid ratio than legume roughages when compared as a percentage. There was a similar ratio of propionic acid to the rate calculated for sainfoin (Onobrychis sativa) and clover (Trifolium repens), and a similar ratio of butyric acid to the ratio determined for alfalfa (Medicago Sativa). The current study shows that the 5.7-6.3% tannin content of black tea waste can be used in ruminant rations with high-quality roughages. Due to the fact that BTW reduces methane emissions from ruminants and eliminates energy waste from them, the environment can be improved. To obtain more reliable results, further animal feeding experiments on legume roughages and BTW are required.
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Affiliation(s)
- Gurkan Sezmis
- Department of Animal Science, Faculty of Agriculture, Yozgat Bozok University, 66200 Yozgat, Türkiye
| | - Adem Kaya
- Department of Animal Science, Agricultural Faculty, Ataturk University, 25240 Erzurum, Türkiye
| | - Hatice Kaya
- Department of Animal Science, Agricultural Faculty, Ataturk University, 25240 Erzurum, Türkiye
| | - Muhlis Macit
- Department of Animal Science, Agricultural Faculty, Ataturk University, 25240 Erzurum, Türkiye
| | - Kadir Erten
- Department of Animal Science, Tekirdag Namik Kemal University, 59030 Tekirdag, Türkiye
| | - Valiollah Palangi
- Department of Animal Science, Faculty of Agriculture, Ege University, 35100 Izmir, Türkiye
| | - Maximilian Lackner
- Department of Industrial Engineering, University of Applied Sciences Technikum Wien, Hoechstaedtplatz 6, 1200 Vienna, Austria
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Greenhouse Gas Emission Reduction Potential of Lavender Meal and Essential Oil for Dairy Cows. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9030253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Abstract
This research aims to evaluate the potential of lavender meal (LM) and lavender essential oil (LEO) to mitigate methane emissions by dairy cows. Locally grown lavender was collected fresh for this purpose, and its oil was extracted using the cold-press method. The resultant LEO and LM and whole lavender (WL) were added to dairy cow concentrate feed at 0%, 0.05%, and 0.10%, and their effects on vitro gas production values and gas concentrations were subsequently assessed. Out of the 30 bioactive compounds isolated from LEO, linalool and linalyl acetate were the most common—accounting for 70.4% of the total. The lavender dose had a significant influence on gas production for up to 12 h. No significant variations were found across the lavender forms when gas kinetics, in vitro degradability, and predicted energy values were compared. The addition of WL to the concentrate feed of dairy cows produced the greatest quantities of methane, carbon dioxide, and hydrogen sulfide, whereas LEO resulted in the lowest values. In contrast, no significant difference in ammonia content was found across the various lavender forms added into dairy cow concentrate feed. The results of this research suggest that adding 0.05–0.10% LM and LEO to concentrate feed may decrease greenhouse gas emissions from dairy cows.
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Lentilactobacillus buchneri Preactivation Affects the Mitigation of Methane Emission in Corn Silage Treated with or without Urea. FERMENTATION-BASEL 2022. [DOI: 10.3390/fermentation8120747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The aim of this study was to investigate the effect of different forms of Lentilactobacillus buchneri on the in vitro methane production, fermentation characteristics, nutritional quality, and aerobic stability of corn silage treated with or without urea. The following treatments were applied prior to ensiling: (1) no urea treatment and LB; (2) no urea treatment+freeze dried LB; (3) no urea treatment+preactivated LB; (4) with urea treatment+no LB; (5) with urea treatment+freeze dried LB; (6) with urea treatment+preactivated. LB was applied at a rate of 3 × 108 cfu/kg on a fresh basis, while urea was applied at a rate of 1% on the basis of dry matter. Data measured at different time points were analyzed according to a completely randomized design, with a 2 × 3 × 5 factorial arrangement of treatments, while the others were analyzed with a 2 × 3 factorial arrangement. Preactivated LB was more effective than freeze-dried LB in reducing silage pH, ammonia nitrogen, cell-wall components, yeast count, and carbon dioxide production, as well as increasing lactic acid and residual water-soluble carbohydrate and aerobic stability (p < 0.0001). A significant reduction in the methane ratio was observed after 24 h and 48 h incubation with preactivated forms of LB (p < 0.001). The results indicated that preactivated LB combined with urea improved fermentation characteristics, nutritional quality, and aerobic stability and reduced the methane ratio of corn silages.
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Ibrahim TA, Hassen A, Apostolides Z. The Antimethanogenic Potentials of Plant Extracts: Their Yields and Phytochemical Compositions as Affected by Extractive Solvents. PLANTS (BASEL, SWITZERLAND) 2022; 11:3296. [PMID: 36501339 PMCID: PMC9737672 DOI: 10.3390/plants11233296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 06/17/2023]
Abstract
Plant phytochemicals are an important area of study in ruminant nutrition, primarily due to their antimethanogenic potentials. Plant extract yields, their bioactive compounds and antimethanogenic properties are largely dependent on the nature of the extractive solvents. This study evaluated the yields and phytochemical constituents of four plant extracts, as affected by the aqueous-methanolic (H2O-CH3OH) extraction and their antimethanogenic properties on the in vitro methane production. The plant extracts included Aloe vera, Jatropha curcas, Moringa oleifera, and Piper betle leaves with three levels of extractions (70, 85, and 100% CH3OH). The crude plant extract yields increased with the increasing amount of water. M. oleifera crude extracts yields (g/10 g) increased from 3.24 to 3.92, A. vera, (2.35 to 3.11) J. curcas (1.77 to 2.26), and P. betle (2.42 to 3.53). However, the identified and quantified metabolites showed differing degrees of solubility unique to their plant leaves in which they exist, while some of the metabolites were unaffected by the extraction solvents. The methane mitigating potentials of these extracts were evaluated as additives on Eragrostis curvula hay at a recommended rate of 50 mg kg−1 DM. The plant extracts exhibited antimethanogenic properties to various degrees, reducing (p < 0.05) in vitro methane production in the tested hay, A. vera, J. curcas, M. oleifera and P. betle reduced methane emission by 6.37−7.55%, 8.02−11.56%, 12.26−12.97, and 5.66−7.78 respectively compared to the control treatment. However, the antimethanogenic efficacy, gas production and organic matter digestibility of the plant extracts were unaffected by the extraction solvents. Metabolites, such as aloin A, aloin B and kaempferol (in A. vera), apigenin, catechin, epicatechin, kaempferol, tryptophan, procyanidins, vitexin-7-olate and isovitexin-7-olate (in J. curcas), alkaloid, kaempferol, quercetin, rutin and neochlorogenic acid (in M. oleifera) and apigenin-7,4′-diglucoside, 3-p-coumaroylquinic acid, rutin, 2-methoxy-4-vinylphenol, dihydrocaffeic acid, and dihydrocoumaric acid (in P. betle) exhibited a methane reducing potential and hence, additional studies may be conducted to test the methane reducing properties of the individual metabolites as well as their combined forms. Plant extracts could be more promising, and hence, further study is necessary to explore other extraction methods, as well as the encapsulation of extracts for the improved delivery of core materials to the target sites and to enhance methane reducing properties. Furthermore, the use of 70% aqueous extraction on M. oleifera leaf is recommended for practical use due to the reduced cost of extractive solvents, the lower cost and availability of Moringa plants in South Africa, especially in Gauteng Province. Furthermore, 70% aqueous-methanolic extractions of A. vera, J. curcas, and P. betle are recommended for practical use in regions where they exist in abundance and are cost effective.
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Affiliation(s)
- Taofik Adam Ibrahim
- Department of Animal Sciences, University of Pretoria, Pretoria 0028, South Africa
| | - Abubeker Hassen
- Department of Animal Sciences, University of Pretoria, Pretoria 0028, South Africa
| | - Zeno Apostolides
- Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria 0028, South Africa
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Maxiselly Y, Chiarawipa R, Somnuk K, Hamchara P, Cherdthong A, Suntara C, Prachumchai R, Chanjula P. Digestibility, Blood Parameters, Rumen Fermentation, Hematology, and Nitrogen Balance of Goats after Receiving Supplemental Coffee Cherry Pulp as a Source of Phytochemical Nutrients. Vet Sci 2022; 9:vetsci9100532. [PMID: 36288145 PMCID: PMC9608610 DOI: 10.3390/vetsci9100532] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/05/2022] [Accepted: 09/27/2022] [Indexed: 11/16/2022] Open
Abstract
This research examines the impact of adding dried coffee cherry pulp (CoCP) to goat feed on the digestibility of the feed, rumen fermentation, hematological, and nitrogen balance. A goat feeding experiment employed four male crossbreds (Thai Native × Anglo Nubian) aged 12 months and weighing 21.0 ± 0.2 kg each. The treatment was conceived as a 4 × 4 Latin square with four specific CoCP levels at 0, 100, 200, and 300 g/day. Dry matter intake (DMI), organic matter intake (OMI), and crude protein intake (CPI) were unaffected by the addition of CoCP. However, across treatment groups, there was a linear increase in ether extract intake (EEI) (p < 0.01), neutral detergent fiber intake (NDFI) (p = 0.06), and acid detergent fiber intake (ADFI) (p = 0.04), as well as a quadratic effect on DMI% BW (p = 0.04). The findings showed that rumen temperature, pH, ammonia-nitrogen, or pack cell volume did not change with CoCP supplementation. Total volatile fatty acid showed linear effects on acetate (p = 0.03) and was quadratically affected by propionate concentration (p = 0.02), acetate to propionate ratio (p = 0.01), acetic plus butyric to propionic acid ratio (p = 0.01), and methane estimation (p = 0.01). With increased CoCP supplementation, there was a linear decrease in protozoa count by about 20.2% as the amount of CoCP supplemented increased (p = 0.06). CoCP supplementation in animal feed resulted in a linear decrease in urinary nitrogen (p = 0.02) and a quadratic effect on absorbed nitrogen (p = 0.08) among treatment groups, with greater N utilization values found in goats fed 200 g/d CoCP. In light of this, supplementing CoCP into animal feed may improve animal digestion and rumen fermentation effectiveness while having no effect on feed intake, rumen microbes, or blood metabolites.
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Affiliation(s)
- Yudithia Maxiselly
- Department of Agronomy, Faculty of Agriculture, Universitas Padjadjaran, Sumedang 45363, Indonesia
- Agricultural Innovation and Management Division, Faculty of Natural Resources, Prince of Songkla University, Songkhla 90110, Thailand
| | - Rawee Chiarawipa
- Agricultural Innovation and Management Division, Faculty of Natural Resources, Prince of Songkla University, Songkhla 90110, Thailand
| | - Krit Somnuk
- Department of Mechanical Engineering, Faculty of Engineering, Prince of Songkla University, Songkhla 90110, Thailand
| | - Puwadon Hamchara
- Program of Animal Science, Faculty of Science and Technology, Suratthani Rajabhat University, Suratthani 84100, Thailand
| | - Anusorn Cherdthong
- Tropical Feed Resource Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Chanon Suntara
- Tropical Feed Resource Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Rittikeard Prachumchai
- Tropical Feed Resource Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Pin Chanjula
- Animal Production Innovation and Management Division, Faculty of Natural Resources, Hat Yai Campus, Prince of Songkla University, Songkhla 90110, Thailand
- Correspondence: ; Tel.: +66-74-558805; Fax: +66-74-558803
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KURT Ö. Olgunlaşma Döneminin Rheum ribes L.’nin Potansiyel Besleme Değerine Etkisi. ULUSLARARASI TARIM VE YABAN HAYATI BILIMLERI DERGISI 2022. [DOI: 10.24180/ijaws.1118046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Bu çalışmanın amacı Rheum ribes L. ‘nin farklı olgunlaşma dönemlerinin kimyasal bileşiminine, kondanse tanen (KT) içeriğine, gaz ve metan üretimine, metabolik enerji (ME) ve organik madde sindirim derecesine (OMSD) etkisinin belirlenmesidir. Olgunlaşma dönemi kimyasal bileşimi, KT içeriğini, gaz ve metan üretimini, ME ve OMSD önemli derecede etkilemiştir (P<0.05). Rheum ribes L.’nin kuru madde (KM), ham kül (HK), ham protein (HP), ham yağ (HY), KT, asit çözücülerde çözünmeyen lifli bileşikler (ADF), nötr çözücülerde çözünmeyen lifli bileşikleri (NDF) sırasıyla 92.73-98.64%, 6.11-14.15%, 8.81-19.12%, 1.94-3.04%, 10.47-14.72%, 36.99-53.98% and 24.88-37.63% aralıklarında belirlenmiştir. Rheum ribes L.’nin 24 saatlik gaz üretimi, metan üretimi 29.73-40.60 ml ve 2.63-5.50 ml aralığında belirlenmiştir. ME ve OMSD 6.97-9.87 MJ kg-1 KM ve 45.68-60.02% aralığında belirlenmiştir. Özet olarak olgunlaşma dönemi Rheum ribes L.’nin besleme değerini önemli ölçide etkilemiştir. Rheum ribes L. ‘nin özellikle HP, ME, OMSD olgunlaşma dönemi ilerledikçe azalmıştır. Rheum ribes L.’nin gaz üretimi, ME ve OMSD, ADF ve NDF içeriği ile önemli ve negatif korelasyon göstermiş, ham protein içeriği ile pozitif korelasyon sergilemiştir. Ek olarak Rheum ribes L.’nin ruminant hayvanların performansı ve besleme değerinin belirlenebilmesi için in vivo çalışmalara da ihtiyaç duyulmaktadır.
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Li P, Mehmood IM, Chen W. Effects of Polymeric Media-Coated Gynosaponin on Microbial Abundance, Rumen Fermentation Properties and Methanogenesis in Xinjiang Goats. Animals (Basel) 2022; 12:2035. [PMID: 36009625 PMCID: PMC9404421 DOI: 10.3390/ani12162035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 08/03/2022] [Accepted: 08/03/2022] [Indexed: 11/17/2022] Open
Abstract
Gynosaponin is known to modulate rumen methanogenesis and microbial fermentation characteristics in ruminants. The current experiment aimed to determine the time-dependent effects of intraruminal polymeric media-coated gynosaponin (PMCG) supplementation on the methanogenesis, rumen fermentation properties and microbial abundance in Xinjiang goats. Eight goats were used in a 2 × 2 crossover arrangement with a PMCG group (8 g/kg DMI) and a control group (0 g/kg DMI). The experiment was divided into four phases, each lasted 21 d. Ruminal contents were obtained for analysis of rumen fermentation properties and microbial abundance. Protozoa numbers were counted by microscope and the abundance of methanogens, rumen fungi and cellulolytic bacteria were quantified by real-time PCR. The results indicated that PMCG significantly reduced methane production (p < 0.05) during the first two phases but this increased to baseline again during the last two phases. Meanwhile, the concentration of acetate decreased remarkably, which resulted in a significant reduction in the acetate to propionate ratio and total VFA concentration (p < 0.05). However, other rumen properties and dry matter intake were not affected (p > 0.05). During the first and second phases, the protozoa numbers and gene copies of methanogens, total bacteria and F. succinogens relative to the 16 s rDNA were all slightly decreased, but the statistical results were not significant. However, the ruminal supplementation of PMCG had little effect on other tested microbes. Accordingly, it was concluded that the addition of PMCG had an inhibitory effect on methane production probably due to a decline in methanogen numbers.
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Affiliation(s)
- Peng Li
- School of Agriculture, Ningxia University, Yinchuan 750021, China
| | - Irum Mohd Mehmood
- School of Agriculture, Ningxia University, Yinchuan 750021, China
- Faculty of Agriculture, Cairo University, Cairo 12613, Egypt
| | - Wei Chen
- School of Agriculture, Ningxia University, Yinchuan 750021, China
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Ibidhi R, Ben Salem H. Effect of Daily or Intermittent Addition of Fenugreek (Trigonella foenum graecum L.) Seeds to Concentrate on Intake, Digestion, and Growth Performance of Barbarine Lamb. Small Rumin Res 2022. [DOI: 10.1016/j.smallrumres.2022.106792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Zain M, Wijaya Setia Ningrat R, Suryani H, Jamarun N. Effect of Various Feed Additives on the Methane Emissions from Beef Cattle Based on an Ammoniated Palm Frond Feeds. Vet Med Sci 2022. [DOI: 10.5772/intechopen.100142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Methane gas has a very significant contribution to the increase in greenhouse gases (GHG) globally. The livestock sector, especially ruminants, causes the issue of increasing GHG concentrations. The chapter presents the issue of reducing methane gas production from cattle. Various experiments to reduce methane gas production from ruminants have been carried out and have shown varying results. This series of results of the author\'s research on reducing methane gas production in livestock in beef cattle based on agriculture by-product to animal feed is addressed with this background. Agriculture by-products such as oil palm fronds and rice straw can be used to feed beef cattle in Indonesia. However, agriculture by-product as animal feed can reduce feed efficiency and increase methane gas production due to the high lignin content. Therefore, various alternatives are carried out to optimize the utilization of this plantation waste. One of them is the use of feed additives and methanogenesis inhibitors. The author\'s series of research using feed additives (direct-fed microbial) and various methanogenesis inhibitors (plant bioactive compounds and dietary lipids) were tested to determine their effect on nutrient digestibility and methane gas production in feed based on plantation waste. Experiments were carried out in vitro and in vivo on various types of ruminants. Plant bioactive compounds such as tannins are proven to reduce methane production through their ability to defaunate in the rumen. Tannins may also have direct effect on methanogens and indirectly by reducing fiber digestion. In addition, direct-fed microbial (DFM) feed additives such as Saccharomyces cerevisiae, Bacillus amyloliquifaciens, and Aspergillus oryzae can be used in ruminants to increase livestock productivity. Furthermore, virgin coconut oil as a dietary lipid contains medium-chain fatty acids, mainly lauric acid, which can inhibit the development of ciliates of protozoa and methanogenic bacteria that produce methane in the rumen.
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Cantet JM, Colombatto D, Martinez RS, Rosales RB, Botero ICM, Jaurena G. Evaluation of in vitro energy distribution and methanogenic potential of two forages with the addition of condensed tannins. ACTA SCIENTIARUM: ANIMAL SCIENCES 2022. [DOI: 10.4025/actascianimsci.v44i1.53828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The objective of this work was to analyze the effect of the addition of condensed tannins (CT) in the efficiency of digestion, methanogenic potential and energy distribution between the fermentation products of two forages. An assay was carried out using the in vitro gas production technique in which extracts of Quebracho (Schinopsis balansae) and Lotus corniculatus were evaluated with fermentation patterns of derived products from Ryegrass (RG, Lolium perenne) and a tropical forage, Megathyrsus maximus (MM). Tannins were added to the substrate at a concentration of 30 mg g-1. MM presented higher and delayed gas production (GP), and in vitro dry matter, organic matter and fiber digestibilities (ivDMD, ivOMD and NDFD, respectively) were relatively high but lower than RG. In addition, MM presented higher CH4 production (CH4p) than RG in 24 and 48h. Even though CT of Quebracho induced a decrease in the NDFD, contrary to what was expected, CH4p was greater, although this effect could not be attributed to the presence of CT. The stoichiometric evaluation indicated that while the highest CH4p in Quebracho treatments were associated with acetogenic profiles, CH4p with Lotus did not show any relationship with the volatile fatty acids (VFA) profile, but it did show a relationship with the highest total VFA production and the highest GP.
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Bio-Based Polyurethane Resins Derived from Tannin: Source, Synthesis, Characterisation, and Application. FORESTS 2021. [DOI: 10.3390/f12111516] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Tannins are soluble, astringent secondary phenolic metabolites generally obtained from renewable natural resources, and can be found in many plant parts, such as fruits, stems, leaves, seeds, roots, buds, and tree barks, where they have a protective function against bacterial, fungal, and insect attacks. In general, tannins can be extracted using hot water or organic solvents from the bark, leaves, and stems of plants. Industrially, tannins are applied to produce adhesives, wood coatings, and other applications in the wood and polymer industries. In addition, tannins can also be used as a renewable and environmentally friendly material to manufacture bio-based polyurethanes (bio-PUs) to reduce or eliminate the toxicity of isocyanates used in their manufacture. Tannin-based bio-PUs can improve the mechanical and thermal properties of polymers used in the automotive, wood, and construction industries. The various uses of tannins need to be put into perspective with regards to possible further advances and future potential for value-added applications. Tannins are employed in a wide range of industrial applications, including the production of leather and wood adhesives, accounting for almost 90% of the global commercial tannin output. The shortage of natural resources, as well as the growing environmental concerns related to the reduction of harmful emissions of formaldehyde or isocyanates used in the production of polyurethanes, have driven the industrial and academic interest towards the development of tannin-based bio-PUs as sustainable alternative materials with satisfactory characteristics. The aim of the present review is to comprehensively summarize the current state of research in the field of development, characterization, and application of tannin-derived, bio-based polyurethane resins. The successful synthesis process of the tannin-based bio-PUs was characterized by Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), MALDI-TOF mass spectrometry, and gel permeation chromatography (GPC) analyses.
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Sarkar S, Mohini M, Sharma A, Tariq H, Pal RP. Effect of supplementing Leucaena leucocephala leaves alone or in conjunction with malic acid on nutrient utilization, performance traits, and enteric methane emission in crossbred calves under tropical conditions. Trop Anim Health Prod 2021; 53:514. [PMID: 34643791 DOI: 10.1007/s11250-021-02941-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 09/23/2021] [Indexed: 10/20/2022]
Abstract
Dietary strategies aiming at minimizing enteric methane (CH4) emission in ruminants are of practical interest from nutritional, economical, and environmental point of view. The present study evaluated the effects of supplementing Leucaena leucocephala leaves either alone or in conjunction with malic acid on nutrient utilization, growth performance, and enteric CH4 emission in crossbred cattle fed wheat straw and concentrate-based diet under tropical conditions. Eighteen crossbred (Karan-Fries) calves were randomly allocated into 3 groups: G-I (control)-fed wheat (Triticum aestivum) straw and concentrate mixture in the ratio 50:50; G-II-fed wheat straw, concentrate mixture, and Leucaena leucocephala leaves in the ratio 45:45:10; and (3) G-III-fed similar diet like G-II with an additional supplementation of 1% malic acid on dry matter intake basis. Experimental feeding spanning 90 days included a 7-day metabolism trial and CH4 quantification study by sulfur hexafluoride tracer technique. Results revealed no significant effect of dietary treatments on dry matter intake (DMI) and digestibility of nutrients, except neutral detergent fiber (NDF) digestibility which was 5.5% higher (P < 0.05) in G-III as compared to control. Further, nitrogen (N) metabolism, rumen microbial protein synthesis, and growth performance remained similar among the treatments. No significant effect was also observed for enteric CH4 emission (expressed as g/day and g/kg DMI) in calves supplemented with Leucaena leucocephala leaves and malic acid. Therefore, the present findings depict modest improvement in fiber digestibility with no encouraging effect in mitigating enteric CH4 in growing cattle calves by supplementing Leucaena leucocephala leaves alone or with malic acid within the selected levels.
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Affiliation(s)
- Srobana Sarkar
- Animal Nutrition Division, ICAR - National Dairy Research Institute, Karnal, Haryana, 132 001, India. .,ICAR - Central Sheep and Wool Research Institute, Rajasthan, 304 501, Avikanagar, India.
| | - Madhu Mohini
- Animal Nutrition Division, ICAR - National Dairy Research Institute, Karnal, Haryana, 132 001, India
| | - Amit Sharma
- Animal Nutrition Division, ICAR - National Dairy Research Institute, Karnal, Haryana, 132 001, India.,Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, 141 001, India
| | - Hujaz Tariq
- Animal Nutrition Division, ICAR - National Dairy Research Institute, Karnal, Haryana, 132 001, India
| | - Ravi Prakash Pal
- Animal Nutrition Division, ICAR - National Dairy Research Institute, Karnal, Haryana, 132 001, India
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Characterization, Density and In Vitro Controlled Release Properties of Mimosa ( Acacia mearnsii) Tannin Encapsulated in Palm and Sunflower Oils. Animals (Basel) 2021; 11:ani11102919. [PMID: 34679938 PMCID: PMC8532746 DOI: 10.3390/ani11102919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/22/2021] [Accepted: 10/06/2021] [Indexed: 12/11/2022] Open
Abstract
Simple Summary The utilization of tannin in mitigating enteric methane suffers a setback in terms of dietary intake and digestibility because of the tannin’s astringency and instability in the gastrointestinal tract. Microencapsulation of tannin using lipids could mask its bitter taste and ensure its controlled release at the target site. This study aimed to encapsulate Acacia mearnsii tannin extract with palm and sunflower oils, and to evaluate the efficacy of the encapsulated tannins with regards to encapsulation efficiency, density, and release of tannin in media, simulating the rumen, abomasum and the small intestine. Mimosa tannin was encapsulated in palm oil or sunflower oil using a double emulsion method. The findings showed that encapsulated mimosa tannins in the palm oil and sunflower oil had high encapsulation efficiencies with smaller sizes and were lower in density compared to the unencapsulated mimosa tannin. The amount of tannins released by the unencapsulated tannin after 24 h in rumen (94%), abomasum (92%) and small intestine (96%) simulated buffers, were reduced to 24%, 21% and 19%, respectively, for the sunflower oil microparticle and 18%, 20% and 16%, respectively, for the palm oil microparticle in the same buffers and periods. Palm oil and sunflower oil successfully encapsulated the mimosa tannin and controlled its release in the gastrointestinal tract simulated media without compromising rumen fermentation. Abstract Tannin has gained wider acceptance as a dietary supplement in contemporary animal nutrition investigations because of its potential to reduce enteric methane emission. However, a major drawback to dietary tannin intake is the bitter taste and instability in the gastrointestinal tract (GIT). The utilization of fats as coating materials will ensure appropriate masking of the tannin’s aversive taste and its delivery to the target site. The aims of this study were to encapsulate mimosa tannin with palm oil or sunflower oil, and to assess the microcapsules in terms of encapsulation efficiency, morphology, density, and in vitro release of tannin in media simulating the rumen (pH 5.6), abomasum (pH 2.9) and small intestine (pH 7.4). The microencapsulation of mimosa tannin in palm or sunflower oils was accomplished using a double emulsion technique. The results revealed that encapsulated mimosa tannins in palm oil (EMTP) and sunflower oil (EMTS) had high yields (59% vs. 58%) and encapsulation efficiencies (70% vs. 68%), respectively. Compared to unencapsulated mimosa tannin (UMT), the morphology showed that the encapsulated tannins were smaller in size and spherical in shape. The UMT had (p < 0.01) higher particle density (1.44 g/cm3) compared to 1.22 g/cm3 and 1.21 g/cm3 for the EMTS and EMTP, respectively. The proportion of tannins released by the UMT after 24 h in the rumen (94%), abomasum (92%) and small intestine (96%) simulated buffers, reduced (p < 0.01) to 24%, 21% and 19% for the EMTS and 18%, 20% and 16% for the EMTP in similar media and timeframe. The release kinetics for the encapsulated tannins was slow and steady, thus, best fitted by the Higuchi model while the UMT dissolved quickly, hence, only fitted to a First order model. Sequential tannin release also indicated that the EMTS and EMTP were stable across the GIT. It was concluded that the microencapsulation of mimosa tannin in palm or sunflower oils stabilized tannins release in the GIT simulated buffers with the potential to modify rumen fermentation. Further studies should be conducted on the palm and sunflower oils microcapsules’ lipid stability, fatty acid transfer rate in the GIT and antioxidant properties of the encapsulated tannins.
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Silva SE, Chabrillat T, Kerros S, Guillaume S, Gandra J, de Carvalho G, Silva FD, Mesquita L, Gordiano L, Camargo G, Ribeiro CDM, de Araújo M, Alba H, e Silva R, Freitas Jr. JD. Effects of plant extract supplementations or monensin on nutrient intake, digestibility, ruminal fermentation and metabolism in dairy cows. Anim Feed Sci Technol 2021. [DOI: 10.1016/j.anifeedsci.2021.114886] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Hassan FU, Arshad MA, Ebeid HM, Rehman MSU, Khan MS, Shahid S, Yang C. Phytogenic Additives Can Modulate Rumen Microbiome to Mediate Fermentation Kinetics and Methanogenesis Through Exploiting Diet-Microbe Interaction. Front Vet Sci 2020; 7:575801. [PMID: 33263013 PMCID: PMC7688522 DOI: 10.3389/fvets.2020.575801] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 10/06/2020] [Indexed: 12/11/2022] Open
Abstract
Ruminants inhabit the consortia of gut microbes that play a critical functional role in their maintenance and nourishment by enabling them to use cellulosic and non-cellulosic feed material. These gut microbes perform major physiological activities, including digestion and metabolism of dietary components, to derive energy to meet major protein (65-85%) and energy (ca 80%) requirements of the host. Owing to their contribution to digestive physiology, rumen microbes are considered one of the crucial factors affecting feed conversion efficiency in ruminants. Any change in the rumen microbiome has an imperative effect on animal physiology. Ruminal microbes are fundamentally anaerobic and produce various compounds during rumen fermentation, which are directly used by the host or other microbes. Methane (CH4) is produced by methanogens through utilizing metabolic hydrogen during rumen fermentation. Maximizing the flow of metabolic hydrogen in the rumen away from CH4 and toward volatile fatty acids (VFA) would increase the efficiency of ruminant production and decrease its environmental impact. Understanding of microbial diversity and rumen dynamics is not only crucial for the optimization of host efficiency but also required to mediate emission of greenhouse gases (GHGs) from ruminants. There are various strategies to modulate the rumen microbiome, mainly including dietary interventions and the use of different feed additives. Phytogenic feed additives, mainly plant secondary compounds, have been shown to modulate rumen microflora and change rumen fermentation dynamics leading to enhanced animal performance. Many in vitro and in vivo studies aimed to evaluate the use of plant secondary metabolites in ruminants have been conducted using different plants or their extract or essential oils. This review specifically aims to provide insights into dietary interactions of rumen microbes and their subsequent consequences on rumen fermentation. Moreover, a comprehensive overview of the modulation of rumen microbiome by using phytogenic compounds (essential oils, saponins, and tannins) for manipulating rumen dynamics to mediate CH4 emanation from livestock is presented. We have also discussed the pros and cons of each strategy along with future prospective of dietary modulation of rumen microbiome to improve the performance of ruminants while decreasing GHG emissions.
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Affiliation(s)
- Faiz-ul Hassan
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Ministry of Agriculture and Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
- Institute of Animal and Dairy Sciences, Faculty of Animal Husbandry, University of Agriculture, Faisalabad, Pakistan
| | - Muhammad Adeel Arshad
- Institute of Animal and Dairy Sciences, Faculty of Animal Husbandry, University of Agriculture, Faisalabad, Pakistan
| | - Hossam M. Ebeid
- Dairy Science Department, National Research Centre, Giza, Egypt
| | - Muhammad Saif-ur Rehman
- Institute of Animal and Dairy Sciences, Faculty of Animal Husbandry, University of Agriculture, Faisalabad, Pakistan
| | - Muhammad Sajjad Khan
- Institute of Animal and Dairy Sciences, Faculty of Animal Husbandry, University of Agriculture, Faisalabad, Pakistan
| | - Shehryaar Shahid
- Institute of Animal and Dairy Sciences, Faculty of Animal Husbandry, University of Agriculture, Faisalabad, Pakistan
| | - Chengjian Yang
- Key Laboratory of Buffalo Genetics, Breeding and Reproduction Technology, Ministry of Agriculture and Guangxi Buffalo Research Institute, Chinese Academy of Agricultural Sciences, Nanning, China
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Tan C, Ramírez-Restrepo CA, Shah AM, Hu R, Bell M, Wang Z, McSweeney C. The community structure and microbial linkage of rumen protozoa and methanogens in response to the addition of tea seed saponins in the diet of beef cattle. J Anim Sci Biotechnol 2020; 11:80. [PMID: 32832076 PMCID: PMC7422560 DOI: 10.1186/s40104-020-00491-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Accepted: 06/25/2020] [Indexed: 12/17/2022] Open
Abstract
Background This study investigated changes in rumen protozoal and methanogenic communities, along with the correlations among microbial taxa and methane (CH4) production of six Belmont Red Composite beef steers fed tea seed saponins (TSS). Animals were fed in three consecutive feeding periods, a high-grain basal diet for 14 d (BD period) then a period of progressive addition of TSS to the basal diet up to 30 g/d for 20 d (TSS period), followed by the basal diet for 13 d without TSS (BDP post-control period). Results The study found that TSS supplementation decreased the amount of the protozoal genus Entodinium and increased Polyplastron and Eudiplodinium genera. During BDP period, the protozoa community of steers did not return to the protozoal profiles observed in BD period, with higher proportions of Metadinium and Eudiplodinium and lower Isotricha. The addition of TSS was found to change the structure of methanogen community at the sub-genus level by decreasing the abundance of methanogens in the SGMT clade and increasing the abundance of methanogens in the RO clade. The correlation analysis indicated that the abundance of SGMT clade methanogens were positively correlated with Isotricha, and Isotricha genus and SGMT clade methanogens were positively correlated with CH4 production. While RO clade were positively correlated with the proportion of Metadinium genus, which was negatively correlated with CH4 emission. Conclusions These results suggest that different genera of rumen protozoa ciliates appear to be selectively inhibited by TSS, and the change in methanogen community at the subgenus level may be due to the mutualistic relationships between methanogens and rumen ciliates.
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Affiliation(s)
- Cui Tan
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, 611130 Sichuan China
| | - Carlos A Ramírez-Restrepo
- Commonwealth Scientific and Industrial Research Organisation, CSIRO Agriculture and Food, Australian Tropical Sciences and Innovation Precinct, James Cook University, Townsville, QLD 4811 Australia.,Present address: CR Eco-efficient Agriculture Consultancy (CREAC), 46 Bilbao Place, Bushland Beach, QLD 4818 Australia
| | - Ali Mujtaba Shah
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, 611130 Sichuan China.,Department of Livestock Production, Shaheed Benazir Bhutto University of Veterinary and Animal Sciences, Sakrand, Sindh 67210 Pakistan
| | - Rui Hu
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, 611130 Sichuan China.,"Low Carbon Breeding Cattle and Safety Production", University Key Laboratory of Sichuan Province, Ya'an, 625014 Sichuan China
| | - Matt Bell
- School of Biosciences, University of Nottingham, Sutton Bonington, Loughborough, LE12 5RD UK
| | - Zhisheng Wang
- Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, 611130 Sichuan China.,"Low Carbon Breeding Cattle and Safety Production", University Key Laboratory of Sichuan Province, Ya'an, 625014 Sichuan China
| | - Chris McSweeney
- CSIRO Agriculture, Queensland BioScience Precinct, St Lucia, Brisbane, QLD 4067 Australia
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Robles Jimenez LE, Ruiz Perez JA, Nicolas DL, Chay Canul AJ, Ramirez-Rivera JC, Villegas-Estrada D, Vargas-Bello-Pérez E, Gonzalez-Ronquillo M. Productive behavior in growing kid goats and methane production with the inclusion of chokecherry leaf (Prunus salicifolia). Trop Anim Health Prod 2020; 52:1257-1267. [PMID: 31728954 DOI: 10.1007/s11250-019-02124-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 10/21/2019] [Indexed: 11/30/2022]
Abstract
Currently for the reduction of methane (CH4) emissions are using fodder rich in condensed tannins, however, not yet known exactly how they act in the rumen is not yet clear. The objective of this study was to evaluate the effect of the inclusion of leaves of Prunus salicifolia (PS, 0%, 15%, and 30%) on the productive behavior of growing kid goats, methane production, nutritional value, fermentation, and ruminal digestibility through an in vivo and in vitro study was performed. Diets were administered ad libitum to 6 Saanen kids with live weight (LW) of 12.25 ± 2.25 kg. Three levels of inclusion were used in a diet based on ground corn grain, soybean meal, corn stover, and oat hay in substitution with P. salicifolia leaves. The in vivo productive behavior was determined, as well as the fermentation kinetics, in vitro gas production, CH4 and hydrogen (H2) in an in vitro system was determined. For the in vivo study, we used a 3 × 3 Latin square design in in vivo study and an analysis of variance with three replications for in vitro gas production. The inclusion of 30% increased (P = 0.0011) dry matter intake (DMI 589.33 g/day) compared to the control group (418.80 g/day). The highest N excretion (feces and urine) (P < 0.001) was for T0, in addition to presenting a negative nitrogen balance compared with T15 and T30. The production of CH4 (mM)/g DM incubated, and CH4 (mM)/g DM fermented, CH4 (mM/day), and H2 was lower (P < 0.05) in T30 than T0 and T15. CH4 (mM)/day was lower (P < 0.036) in T130 (283 mM/day) compared with T0 (407 mM/day) P. salicifolia is a forage that helps to reduce the production of methane and can be included in the diets of growing kid goats in amounts less than 30% without affecting production performance.
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Affiliation(s)
- Lizbeth E Robles Jimenez
- Departamento de Nutrición Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Instituto Literario 100, 50000, Toluca, Estado de Mexico, Mexico
| | - Jose A Ruiz Perez
- Centro de Bachillerato Tecnológico Agropecuario No. 150, Acambay, Estado de México, Mexico
| | - Di Lorenzo Nicolas
- North Florida Research and Education Center, University of Florida, Marianna, USA
| | - Alfonso J Chay Canul
- División Académica de Ciencias Agropecuarias, Universidad Juárez Autónoma de Tabasco, Carretera Villahermosa-Teapa, km 25, R/A, La Huasteca 2ª Sección, CP, 86280, Villahermosa, Tabasco, Mexico
| | - Julio Cesar Ramirez-Rivera
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolas de Hidalgo, Morelia, Mexico
| | - Daniela Villegas-Estrada
- Departamento de Nutrición Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Instituto Literario 100, 50000, Toluca, Estado de Mexico, Mexico
| | - Einar Vargas-Bello-Pérez
- Department of Veterinary and Animal Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Grønnegårdsvej 3, 1870, Frederiksberg C, Denmark
| | - Manuel Gonzalez-Ronquillo
- Departamento de Nutrición Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Instituto Literario 100, 50000, Toluca, Estado de Mexico, Mexico.
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HUNDAL JS, WADHWA M, BAKSHI MPS. Effect of herbal feed additives containing saponins on rumen fermentation pattern. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2020. [DOI: 10.56093/ijans.v90i2.98814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Macrotyloma uniflorum (kulthi) seeds, Asparagus racemosus (shatavari) roots or Acacia concina (shikakai) pods were supplemented to total mixed rations (TMR) @ 0-3% (on DM basis) to assess the impact of herbal feed additives (HFAs) on the in vitro rumen fermentation pattern. The saponin content and 2, 2-diphenyl-1-picrylhydrazyl- hydrate (DPHH) antioxidant activity was highest in A. racemosus than other HFAs. But total phenols, non tannin phenols, true tannins, condensed tannins, vitamin C and flavanoid contents were highest inM. uniflorum and lowest in A. concina. The dose/level of supplementation of HFAs, irrespective of their nature did not affect net gas production (NGP) and availability of metabolizable energy (ME) from TMR, but digestibility of nutrients and partitioning factor (PF) decreased in comparison to the unsupplemented group. The total and individual volatile fatty acids (VFAs) production; and acetate to propionate ratio was improved when the TMR was supplemented with HFAs at 1% level. The methane and ammonia-N production was depressed at 2% level as compared to control group. Irrespective of the dose, the total VFAs, acetate, and propionate production was higher while ammonia-N decreased in M. uniflorum supplemented TMR than other HFAs supplemented groups. Methane production from the TMR was comparable in the diet supplemented with different HFAs, however, diet supplemented with M. uniflorum resulted in lower methane production. Amongst the tested HFAs, M. uniflorum was a richer source of most of the bio-active compounds. Based on in vitro fermentation parameters, M. uniflorum supplemented to TMR @ 2% gave the best results.
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HUNDAL JS, WADHWA M, BAKSHI MPS, CHATLI MK. Effect of herbal feed additive containing saponins on the performance of goat kids. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2020. [DOI: 10.56093/ijans.v90i2.98813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This study was taken up to assess the effect of supplementing Macrotyloma uniflorum (an herbal feed additive; HFA) on nutrient utilization, productive performance and meat quality of goat kids. Eight male Beetal goat kids (5 months old; body weight 14.05±0.41 kg) divided in to 2 equal groups were either fed a control total mixed ration (TMR) containing concentrate and green fodder in 50: 50 ratio on DM basis or control TMR supplemented with M. uniflorum @ 2.0% of DM intake for 90 days. Simultaneously, rumen studies were conducted on three rumen fistulated male bucks. Higher total-N, trichloroacetic acid precipitable nitrogen (TCA-N) and nonprotein nitrogen (NPN) concentration was observed in strained rumen contents (SRC) of animals fed M. uniflorum supplemented TMR as compared to control. Supplementation of TMR with M. uniflorum increased the production of volatile fatty acids (VFAs) and fermentation efficiency while efficiency of conversion of hexose to methane decreased in M. uniflorum supplemented TMR in comparison to control TMR. Nutrients digestibility, N-retention, urinary excretion of purine derivatives, blood profile and average daily gain were comparable in both the groups. The higher ready to cook (RTC) carcass percentage resulted in higher RTC carcass yield in M. uniflorum supplemented group. Overall, the weight of most of the primal cuts expressed as per cent of dressed weight improved in goat kids fed TMR supplemented with M. uniflorum as compared to those fed control diet. Hence, the higher weight of most of the primal cuts can be achieved in Beetal goat kids by supplementing the TMR with M. uniflorum (kulthi) at 2% of DM intake.
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Sharma K, Kumar V, Kaur J, Tanwar B, Goyal A, Sharma R, Gat Y, Kumar A. Health effects, sources, utilization and safety of tannins: a critical review. TOXIN REV 2019. [DOI: 10.1080/15569543.2019.1662813] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Kartik Sharma
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
| | - Vikas Kumar
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
| | - Jaspreet Kaur
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
| | - Beenu Tanwar
- Department of Dairy Technology, Mansinhbhai Institute of Dairy and Food Technology, Mehsana, Gujarat, India
| | - Ankit Goyal
- Department of Dairy Chemistry, Mansinhbhai Institute of Dairy and Food Technology, Mehsana, Gujarat, India
| | - Rakesh Sharma
- Department of Food Science and Technology, Dr. YS Parmar University of Horticulture and Forestry, Solan, Himachal Pradesh, India
| | - Yogesh Gat
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
| | - Ashwani Kumar
- Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab, India
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SIDHU AS, WADHWA M. Effect of supplementation of saponin containing herbs on in vitro methane production under different feeding systems. THE INDIAN JOURNAL OF ANIMAL SCIENCES 2019. [DOI: 10.56093/ijans.v89i1.86389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
This study was taken up to assess the effect of herbal feed additives [HFAs; kulthi (Dohichos biflorus), patha (Cissampelos pareria), aritha (Sapindus trifoliatus)] supplemented at 0–3% on DM basis of total mixed rations (TMR) on the in vitro methane production and nutrient fermentation in a 3 × 4 factorial design. TMR with different roughage to concentrate ratio (R:C) of 80:20, 75:25, 70:30 and 65:35 on DM basis were formulated. The roughage portion was made up of wheat straw and maize green fodder in 70:30 ratio. The chemical analysis of HFAs revealed that aritha had the highest concentration of both water and methanol soluble saponins; and condensed tannins (Leucocyanidin). Patha followed by kulthi had the highest concentration of vitamin C, flavonoids, total phenols and true tannins. The digestion kinetic parameters revealed that with the increase in level of concentrate in the diet, irrespective of type and level of supplementation of HFAs, the lag phase for fermentation of diet decreased linearly. The data conclusively revealed that the best response with respect to net gas production (NGP), digestibility of nutrients, methane production, volatile fatty acid (VFA) production, ME availability and other fermentation parameters from TMRs with different R:C ratios was observed in kulthi and patha supplemented at the rate of 2% of TMR with R:C ratio of 65:35 on DM basis.
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Arowolo MA, He J. Use of probiotics and botanical extracts to improve ruminant production in the tropics: A review. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2018; 4:241-249. [PMID: 30175251 PMCID: PMC6116326 DOI: 10.1016/j.aninu.2018.04.010] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 04/24/2018] [Accepted: 04/27/2018] [Indexed: 11/20/2022]
Abstract
Ruminant production, especially in the tropics and developing countries suffers a setback when compared with the temperate and developed countries, which is attributable to the kinds of available feed resources in the region of production. In the tropics, ruminants are restricted to grazing on low-quality forages, crop residues and agro-industrial by-products with very little or no concentrate diets, which adversely affect the animals in exhibiting their full production potential. Considering this fact, there is an increasing interest in improving the digestibility of these feed resources. In recent years, researchers have explored several methods to enhance the functions of rumen microflora, improve digestion and fermentation processes, as well as increase bioavailability and utilization of nutrients through feed supplementation. This review aims to explore the positive effects of supplementation of ruminant diets with probiotics or botanical extracts and their metabolites on the productivity of the animals. Moreover, the functions of these non-pathogenic and non-toxic live microorganisms (probiotics) and plant biologically active compounds (botanical extract) are explored because of the ban on non-therapeutic use of antibiotics as growth promoters coupled with the critical preference of consumers to high quality and safe animal products. It has been reported that these alternative supplemental products have a beneficial impact on both animal health and productivity, which is affecting stabilization of rumen environment, inhibition of pathogenic bacteria proliferation in gastro-intestinal tract, modulation of immune response, increase in fibre degradation and fermentation, nutrients availability and utilization, animal growth performance and milk production, among others. However, long-term in vivo studies are still required to determine the synergetic effects of these 2 safe supplemental products.
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Affiliation(s)
| | - Jianhua He
- College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
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Suha Uslu O, Kurt O, Kaya E, Kamalak A. Effect of species on chemical composition, metabolizable energy, organic matter digestibility and methane production of some legume plants grown in Turkey. JOURNAL OF APPLIED ANIMAL RESEARCH 2018. [DOI: 10.1080/09712119.2018.1480485] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Omer Suha Uslu
- Faculty of Agriculture, Department of Field Crops, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Ozer Kurt
- Faculty of Agriculture, Department of Animal Science, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Emrah Kaya
- Faculty of Agriculture, Department of Animal Science, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Adem Kamalak
- Faculty of Agriculture, Department of Animal Science, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
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Albores-Moreno S, Alayón-Gamboa JA, Ayala-Burgos AJ, Solorio-Sánchez FJ, Aguilar-Pérez CF, Olivera-Castillo L, Ku-Vera JC. Effects of feeding ground pods of Enterolobium cyclocarpum Jacq. Griseb on dry matter intake, rumen fermentation, and enteric methane production by Pelibuey sheep fed tropical grass. Trop Anim Health Prod 2017; 49:857-866. [DOI: 10.1007/s11250-017-1275-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 03/15/2017] [Indexed: 10/19/2022]
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Kara K, Özkaya S, Erbaş S, Baytok E. Effect of dietary formic acid on the in vitro ruminal fermentation parameters of barley-based concentrated mix feed of beef cattle. JOURNAL OF APPLIED ANIMAL RESEARCH 2017. [DOI: 10.1080/09712119.2017.1284073] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Kanber Kara
- The Department of Animal Nutrition and Nutritional Diseases, Faculty of Veterinary Medicine, Erciyes University, Kayseri, Turkey
| | - Serkan Özkaya
- The Department of Animal Science, Faculty of Agriculture, Suleyman Demirel University, Isparta, Turkey
| | - Sabri Erbaş
- The Department of Field Crops, Faculty of Agriculture, Suleyman Demirel University, Isparta, Turkey
| | - Erol Baytok
- The Department of Animal Nutrition and Nutritional Diseases, Faculty of Veterinary Medicine, Erciyes University, Kayseri, Turkey
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Jadhav RV, Kannan A, Bhar R, Sharma OP, Gulati A, Rajkumar K, Mal G, Singh B, Verma MR. Effect of tea (Camellia sinensis) seed saponins on in vitro rumen fermentation, methane production and true digestibility at different forage to concentrate ratios. JOURNAL OF APPLIED ANIMAL RESEARCH 2016. [DOI: 10.1080/09712119.2016.1270823] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- R. V. Jadhav
- Indian Veterinary Research Institute, Regional Station, Palampur, India
| | - A. Kannan
- Indian Veterinary Research Institute, Regional Station, Palampur, India
| | - R. Bhar
- Indian Veterinary Research Institute, Regional Station, Palampur, India
| | - O. P. Sharma
- Indian Veterinary Research Institute, Regional Station, Palampur, India
| | - A. Gulati
- Department of Hill Area Tea Sciences, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
| | - K. Rajkumar
- Indian Veterinary Research Institute, Regional Station, Palampur, India
| | - G. Mal
- Indian Veterinary Research Institute, Regional Station, Palampur, India
| | - B. Singh
- Indian Veterinary Research Institute, Regional Station, Palampur, India
| | - M. R. Verma
- Division of Livestock Economics, Statistics and Information Technology, Indian Veterinary Research Institute, Izatnagar, India
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Medjekal S, Ghadbane M, Bodas R, Bousseboua H, López S. Volatile fatty acids and methane production from browse species of Algerian arid and semi-arid areas. JOURNAL OF APPLIED ANIMAL RESEARCH 2016. [DOI: 10.1080/09712119.2016.1257432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Samir Medjekal
- Department of Applied Microbiology, University Mentouri of Constantine, Constantine, Algeria
- Department of Microbiology and Biochemistry, Faculty of Science, University Mohamed Boudiaf of M’sila, M’sila, Algeria
| | - Mouloud Ghadbane
- Department of Microbiology and Biochemistry, Faculty of Science, University Mohamed Boudiaf of M’sila, M’sila, Algeria
| | - Raúl Bodas
- Instituto Tecnológico Agrario de Castilla y León, Subdirección de Investigación y Tecnología, Valladolid, Spain
| | - Hacène Bousseboua
- Ecole Nationale Supérieure de Biotechnologie, Ville universitaire Ali Mendjeli, Ali Mendjeli/Constantine, Algérie
| | - Secundino López
- Instituto de Ganadería de Montaña (IGM) CSIC-Universidad de León, Departamento de Producción Animal, Universidad de León, León, Spain
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Degirmencioglu T, Unal H, Ozbilgin S, Kuraloglu H. Effect of ground fenugreek seeds (<i>Trigonella foenum-graecum</i>) on feed consumption and milk performance in Anatolian water buffaloes. Arch Anim Breed 2016. [DOI: 10.5194/aab-59-345-2016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Abstract. In this study, the effects of a diet including fenugreek (Trigonella foenum-graecum) seed on feed consumption and milk performance were examined. A total of 24 buffaloes were randomly divided into two groups (12 animals each). The diet containing ground fenugreek seed (GFS) improved total dry matter (13.17–14.00 kg day−1) (P < 0.05) and daily concentrated feed consumption (2.90–3.81 kg day−1) (P < 0.01) and significantly increased milk production (7.34–8.01 kg day−1) (P < 0.01) in Anatolian water buffaloes (AWBs). In future work, the use of other herbs in AWB may be investigated.
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Yáñez-Ruiz D, Bannink A, Dijkstra J, Kebreab E, Morgavi D, O’Kiely P, Reynolds C, Schwarm A, Shingfield K, Yu Z, Hristov A. Design, implementation and interpretation of in vitro batch culture experiments to assess enteric methane mitigation in ruminants—a review. Anim Feed Sci Technol 2016. [DOI: 10.1016/j.anifeedsci.2016.03.016] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Ma T, Chen DD, Tu Y, Zhang NF, Si BW, Diao QY. Dietary supplementation with mulberry leaf flavonoids inhibits methanogenesis in sheep. Anim Sci J 2016; 88:72-78. [DOI: 10.1111/asj.12556] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 07/31/2015] [Accepted: 08/26/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Tao Ma
- Feed Research Institute; Key Laboratory of Feed Biotechnology of the Ministry of Agriculture; Chinese Academy of Agricultural Sciences; Beijing China
| | - Dan-Dan Chen
- Feed Research Institute; Key Laboratory of Feed Biotechnology of the Ministry of Agriculture; Chinese Academy of Agricultural Sciences; Beijing China
| | - Yan Tu
- Feed Research Institute; Key Laboratory of Feed Biotechnology of the Ministry of Agriculture; Chinese Academy of Agricultural Sciences; Beijing China
| | - Nai-Feng Zhang
- Feed Research Institute; Key Laboratory of Feed Biotechnology of the Ministry of Agriculture; Chinese Academy of Agricultural Sciences; Beijing China
| | - Bing-Wen Si
- Feed Research Institute; Key Laboratory of Feed Biotechnology of the Ministry of Agriculture; Chinese Academy of Agricultural Sciences; Beijing China
| | - Qi-Yu Diao
- Feed Research Institute; Key Laboratory of Feed Biotechnology of the Ministry of Agriculture; Chinese Academy of Agricultural Sciences; Beijing China
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Kara K. In VitroMethane Production and Quality of Corn Silage Treated with Maleic Acid. ITALIAN JOURNAL OF ANIMAL SCIENCE 2016. [DOI: 10.4081/ijas.2015.3994] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Denek N, Aydin SS, Can A. The effects of dried pistachio (Pistachio vera L.) by-product addition on corn silage fermentation and in vitro methane production. JOURNAL OF APPLIED ANIMAL RESEARCH 2016. [DOI: 10.1080/09712119.2016.1141778] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Nihat Denek
- Faculty of Veterinary, Department of Animal Science, Harran University, Sanliurfa, Turkey
| | - Sadik Serkan Aydin
- Sanliurfa Food Control Laboratory, Ministry of Food, Agriculture and Livestock, Sanliurfa, Turkey
| | - Abdullah Can
- Faculty of Agriculture, Department of Animal Science, Harran University, Sanliurfa, Turkey
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Ma T, Chen D, Tu Y, Zhang N, Si B, Deng K, Diao Q. Effect of supplementation of allicin on methanogenesis and ruminal microbial flora in Dorper crossbred ewes. J Anim Sci Biotechnol 2016; 7:1. [PMID: 26779340 PMCID: PMC4714447 DOI: 10.1186/s40104-015-0057-5] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Accepted: 12/09/2015] [Indexed: 11/10/2022] Open
Abstract
Background Garlic extracts have been reported to be effective in reducing methanogenesis. Related mechanisms are not well illustrated, however, and most studies have been conducted in vitro. This study investigates the effects of supplementary allicin (AL) in sheep diet on in vivo digestibility, rumen fermentation, and shifts of microbial flora. Methods Two experiments were conducted using Dorper × thin-tailed Han crossbred ewes. In experiment 1, eighteen ewes (60.0 ± 1.73 kg BW) were randomly assigned for 29 days to either of two dietary treatments: a basal diet or the basal diet supplemented with 2.0 g AL/head·day to investigate supplementary AL on nutrient digestibility and methane emissions. In experiment 2, six ewes (65.2 ± 2.0 kg BW) with ruminal canulas were assigned to the same two dietary treatments as in experiment 1 for 42 days to investigate supplementary AL on ruminal fermentation and microbial flora. The methane emissions were determined using an open-circuit respirometry system and microbial assessment was done by qPCR of 16S rRNA genes. Results Supplementary AL increased the apparent digestibility of organic matter (P < 0.001), nitrogen (P = 0.006), neutral detergent fiber (P < 0.001), and acid detergent fiber (P = 0.002). Fecal nitrogen output was reduced (P = 0.001) but urinary nitrogen output was unaffected (P = 0.691), while nitrogen retention (P = 0.077) and nitrogen retention/nitrogen intake (P = 0.077) tended to increase. Supplementary AL decreased methane emissions scaled to metabolic bodyweight by 5.95 % (P = 0.007) and to digestible organic matter intake by 8.36 % (P = 0.009). Ruminal pH was unaffected (P = 0.601) while ammonia decreased (P = 0.024) and total volatile fatty acids increased (P = 0.024) in response to supplementary AL. Supplementary AL decreased the population of methanogens (P = 0.001) and tended to decrease that of protozoans (P = 0.097), but increased the populations of F. succinogenes (P < 0.001), R. flavefaciens (P = 0.001), and B. fibrisolvens (P = 0.001). Conclusions Supplementation of AL at 2.0 g/head·day effectively enhanced OM, N, NDF, and ADF digestibility and reduced daily methane emissions (L/kg BW0.75) in ewes, probably by decreasing the population of ruminal protozoans and methanogens.
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Affiliation(s)
- Tao Ma
- Feed Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Feed Biotechnology of the Ministry of Agriculture, Beijing, 100081 China
| | - Dandan Chen
- Feed Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Feed Biotechnology of the Ministry of Agriculture, Beijing, 100081 China
| | - Yan Tu
- Feed Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Feed Biotechnology of the Ministry of Agriculture, Beijing, 100081 China
| | - Naifeng Zhang
- Feed Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Feed Biotechnology of the Ministry of Agriculture, Beijing, 100081 China
| | - Bingwen Si
- Feed Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Feed Biotechnology of the Ministry of Agriculture, Beijing, 100081 China
| | - Kaidong Deng
- College of Animal Science, Jinling Institute of Technology, Nanjing, Jiangsu 210038 China
| | - Qiyu Diao
- Feed Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Feed Biotechnology of the Ministry of Agriculture, Beijing, 100081 China
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Samal L, Chaudhary LC, Agarwal N, Kamra DN. Effects of plants containing secondary metabolites as feed additives on rumen metabolites and methanogen diversity of buffaloes. ANIMAL PRODUCTION SCIENCE 2016. [DOI: 10.1071/an15596] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Four fistulated adult Murrah buffaloes were fed on a basal diet consisting of wheat straw and concentrate mixture in a 4 × 4 Latin square design to study the effects of feeding plants containing secondary metabolites on rumen metabolites and methanogen diversity. The four groups were Control (no additive), Mix-1 (ajwain oil and lemon grass oil in a 1 : 1 ratio @ 0.05% of dry matter intake), Mix-2 (garlic and soapnut in a 2 : 1 ratio @ 2% of dry matter intake) and Mix-3 (garlic, soapnut, harad and ajwain in a 2 : 1 : 1 : 1 ratio @ 1% of dry matter intake). In each phase of 30 days’ duration, after 19 days of feeding, rumen liquor was sampled for two consecutive days at 0, 2, 4, 6 and 8 h post-feeding, whereas rumen content was sampled at 0 h feeding. The pH of the rumen liquor was recorded at every collection and then the rumen liquor of every collection was pooled day-wise and animal-wise. These pooled samples were used for estimation of rumen metabolites like ammonia, lactic acid and volatile fatty acids. Microscopic counting of protozoa was done in both 0 h and pooled samples of rumen liquor. Rumen contents collected from different locations of rumen were processed for enzyme estimation. The rumen contents were squeezed and the liquid portion was used for DNA isolation, which was further processed to determine methanogen diversity. Daily intake of feed was similar (P > 0.05) in all the four groups. The ammonia-N concentration and ciliate protozoa population were reduced significantly in the treatment groups supplemented with additives. Rumen pH, lactic acid, volatile fatty acids and enzyme activities were not affected (P > 0.05) by feeding of any of these additives. Methanogenic diversity comparison was made between the Control and Mix-1 group. The basic local alignment search tool (BLAST) analysis of the 133 (44 from the Control group and 89 from the Mix-1 group) sequences showed similarity of the sequences of rumen archaea by up to 97% to the known sequences of rumen methanogens. The sequences with minimum length of 750 bp were selected for phylogenetic analysis. Per cent identity of these sequences with that of the available nearest neighbour as calculated by MEGA 5.03 software showed identity of the clones in the range of 88–97%. The clones were similar with Methanobrevibacter smithii ATCC 35061, uncultured Methanobrevibacter sp. clone MEME95 and M. ruminantium M1. Overall, feeding of any of these feed additives to fistulated buffaloes did not affect feed intake, rumen pH, or rumen metabolites except ammonia and enzyme profile. Methanogen diversity showed the possibility of Methanobrevibacter as the major methanogen in buffalo rumen liquor.
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Rira M, Chentli A, Boufenera S, Bousseboua H. Effects of Plants Containing Secondary Metabolites on Ruminal Methanogenesis of Sheep in vitro. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.egypro.2015.07.513] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Ozkan CO. Effect of species on chemical composition, metabolisable energy, organic matter digestibility and methane production of oak nuts. JOURNAL OF APPLIED ANIMAL RESEARCH 2015. [DOI: 10.1080/09712119.2015.1031774] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Patra AK, Yu Z. Effects of garlic oil, nitrate, saponin and their combinations supplemented to different substrates on in vitro fermentation, ruminal methanogenesis, and abundance and diversity of microbial populations. J Appl Microbiol 2015; 119:127-38. [PMID: 25846054 DOI: 10.1111/jam.12819] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 03/25/2015] [Accepted: 03/31/2015] [Indexed: 11/28/2022]
Abstract
AIMS To investigate the effect of garlic oil (G), nitrate (N), saponin (S) and their combinations supplemented to different forage to concentrate substrates on methanogenesis, fermentation, diversity and abundances of bacteria and Archaea in vitro. METHODS AND RESULTS The study was conducted in an 8 × 2 factorial design with eight treatments and two substrates using mixed ruminal batch cultures obtained. Quillaja S (0·6 g l(-1) ), N (5 mmol l(-1) ) and G (0·27 g l(-1) ) were used separately or in binary and tertiary combinations. The two substrates contained grass hay and a dairy concentrate mixture at a 70 : 30 (high-forage substrate) ratio or a 30 : 70 (high-concentrate substrate) ratio. Ruminal fermentation and cellulolytic bacterial populations were affected by interaction between substrate and anti-methanogenic compounds. The inhibitor combinations decreased the methane production additively regardless of substrate. For the high-concentrate substrate, S decreased methane production to a greater extent, so did G and N individually for the high-forage substrate. Feed degradability and total volatile fatty acid (VFA) concentrations were not decreased by any of the treatments. Fibre degradability was actually improved by N+S for the high-forage substrate. VFA concentrations and profiles were affected differently by different anti-methanogenic inhibitors and their combinations. All treatments inhibited the growth of Archaea, but the effect on Fibrobacter succinogenes, Ruminococcus albus and Ruminococcus flavefaciens varied. CONCLUSIONS The results suggest that substrate influences the efficacy of these inhibitors when they are used separately, but in combinations, they can lower methanogenesis additively without much influence from the substrate. SIGNIFICANCE AND IMPACT OF THE STUDY The presented research provided evidence that binary and tertiary combination of garlic oil, nitrate and saponin can lower the methane production additively without adversely impacting rumen fermentation and degradability, and forage to concentrate ratio does not change the above effects. These anti-methanogenic inhibitors in combination may have practical application to mitigate methane emission from ruminants.
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Affiliation(s)
- A K Patra
- Department of Animal Sciences, The Ohio State University, Columbus, OH, USA.,Department of Animal Nutrition, West Bengal University of Animal and Fishery Sciences, Kolkata, India
| | - Z Yu
- Department of Animal Sciences, The Ohio State University, Columbus, OH, USA
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Manatbay B, Cheng Y, Mao S, Zhu W. Effect of Gynosaponin on Rumen In vitro Methanogenesis under Different Forage-Concentrate Ratios. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2014; 27:1088-97. [PMID: 25083102 PMCID: PMC4109864 DOI: 10.5713/ajas.2013.13714] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Revised: 12/30/2013] [Accepted: 02/02/2014] [Indexed: 11/27/2022]
Abstract
The study aimed to investigate the effects of gynosaponin on in vitro methanogenesis under different forage-concentrate ratios (F:C ratios). Experiment was conducted with two kinds of F:C ratios (F:C = 7:3 and F:C = 3:7) and gynosaponin addition (0 mg and 16 mg) in a 2×2 double factorial design. In the presence of gynosaponin, methane production and acetate concentration were significantly decreased, whereas concentration of propionate tended to be increased resulting in a significant reduction (p<0.05) of acetate:propionate ratio (A:P ratio), in high-forage substrate. Gynosaponin treatment increased (p<0.05) the butyrate concentration in both F:C ratios. Denaturing gradient gel electrophoresis (DGGE) analysis showed there was no apparent shift in the composition of total bacteria, protozoa and methanogens after treated by gynosaponin under both F:C ratios. The real-time polymerase chain reaction (PCR) analysis indicated that variable F:C ratios significantly affected the abundances of Fibrobacter succinogenes, Rumninococcus flavefaciens, total fungi and counts of protozoa (p<0.05), but did not affect the mcrA gene copies of methanogens and abundance of total bacteria. Counts of protozoa and abundance of F.succinogenes were decreased significantly (p<0.05), whereas mcrA gene copies of methanogens were decreased slightly (p<0.10) in high-forage substrate after treated by gynosaponin. However, gynosaponin treatment under high-concentrate level did not affect the methanogenesis, fermentation characteristics and tested microbes. Accordingly, overall results suggested that gynosaponin supplementation reduced the in vitro methanogenesis and improved rumen fermentation under high-forage condition by changing the abundances of related rumen microbes.
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Affiliation(s)
- Bakhetgul Manatbay
- Laboratory of Gastrointestinal Microbiology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yanfen Cheng
- Laboratory of Gastrointestinal Microbiology, Nanjing Agricultural University, Nanjing 210095, China
| | - Shengyong Mao
- Laboratory of Gastrointestinal Microbiology, Nanjing Agricultural University, Nanjing 210095, China
| | - Weiyun Zhu
- Laboratory of Gastrointestinal Microbiology, Nanjing Agricultural University, Nanjing 210095, China
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Canul-Solis JR, Piñeiro-Vázquez AT, Briceño-Poot EG, Chay-Canul AJ, Alayón-Gamboa JA, Ayala-Burgos AJ, Aguilar-Pérez CF, Solorio-Sánchez FJ, Castelán-Ortega OA, Ku-Vera JC. Effect of supplementation with saponins from Yucca schidigera on ruminal methane production by Pelibuey sheep fed Pennisetum purpureum grass. ANIMAL PRODUCTION SCIENCE 2014. [DOI: 10.1071/an14296] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The aim of the work was to determine the effect of increasing concentrations of saponins from Yucca schidigera in the diet on voluntary intake, rumen fermentation and methane (CH4) production in Pelibuey sheep fed a tropical grass Pennisetum purpureum. Five male sheep (32.2 ± 1.1 kg liveweight) were fed chopped P. purpureum grass in a 5 × 5 Latin square design. Sheep were supplemented with 0.0, 1.5, 3.0, 4.5 or 6.0 g per day of saponins from Y. schidigera mixed with ground corn, before the grass was offered. Feed intake, feed refusal and total faecal output were recorded for 20 days of the adaptation period and 5 days of the experimental period. Apparent digestibility of dry matter (DMD), organic matter (OMD), neutral detergent fibre (NDFD) and acid detergent fibre (ADFD) were determined. Ruminal methane emission was estimated using stoichiometric balance and the molar proportion of volatile fatty acids was determined by gas chromatography. Voluntary intake, DMD, OMD, NDFD, ADFD, volatile fatty acids and CH4 emission were not affected (P > 0.05) by increasing inclusion levels of saponins in the ration of sheep. Nonetheless, CH4 production increased as the voluntary intake of NDF augmented. Addition of 6 g of saponins per day as a supplement to Pelibuey sheep fed a tropical grass did not affect voluntary intake and digestibility of DM, OM, NDF and ADF, or ruminal methane production.
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Narvaez N, Wang Y, McAllister T. Effects of extracts of Humulus lupulus (hops) and Yucca schidigera applied alone or in combination with monensin on rumen fermentation and microbial populations in vitro. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2013; 93:2517-2522. [PMID: 23483574 DOI: 10.1002/jsfa.6068] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2012] [Revised: 11/30/2012] [Accepted: 01/26/2013] [Indexed: 06/01/2023]
Abstract
BACKGROUND β-Acids in hops (Humulus lupulus) and saponins in yucca (Yucca schidigera) have been found to possess antimicrobial properties similar to that of monensin and could be an alternative to in-feed antibiotics. The effects of monensin (MON) and ethanol extracts of hops (HE) and Y. schidigera (YE) alone and in combination with MON were assessed on ruminal microbial composition and fermentation in vitro of a barley-based diet. RESULTS All treatments decreased (P < 0.05) CH4 production (per unit of dry matter), microbial protein (mg), and NH3 -N accumulation. All treatments reduced (P < 0.01) the acetate:propionate (A:P) ratio and molar proportions of butyrate, but increased (P < 0.01) those of propionate, whereas those of acetate decreased (P < 0.001) with addition of MON (10 µg mL(-1)) and combined with HE or YE. Methane produced per unit of true digested dry matter decreased (P < 0.001) with all treatments except YE. Monensin reduced (P < 0.001) proportions of 16S rRNA copies of Ruminococcus flavefaciens, but increased (P < 0.01) those of Selenomonas ruminantium. Hops extract alone or combined with MON reduced (P < 0.01) proportions of R. flavefaciens but combined with MON tended (P < 0.1) to increase those of S. ruminantium. Yucca extract combined with MON increased (P < 0.01) the proportions of R. flavefaciens and S. ruminantium. All treatments except MON (2.5 µg mL(-1)) reduced (P < 0.01) the relative abundance of methanogens. CONCLUSION Hops extract and YE altered rumen microbes and fermentation in a manner similar to MON with many responses being additive when applied in combination.
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Affiliation(s)
- Nelmy Narvaez
- Lethbridge Research Centre, Agriculture and Agri-Food Canada, Lethbridge, Alberta, Canada
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Soroor EN, Rouzbehan Y, Alipour D. Effect of Echium amoenum extract on the growth rate and fermentation parameters of Mehraban lambs. Anim Feed Sci Technol 2013. [DOI: 10.1016/j.anifeedsci.2013.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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In vitroindications for favourable non-additive effects on ruminal methane mitigation between high-phenolic and high-quality forages. Br J Nutr 2012; 109:615-22. [DOI: 10.1017/s0007114512001742] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Feeding plants containing elevated levels of polyphenols may reduce ruminal CH4emissions, but at the expense of nutrient utilisation. There might, however, be non-additive effects when combining high-phenolic plants with well-digestible, high-nutrient feeds. To test whether non-additive effects exist, the leaves ofCarica papaya(high in dietary quality, low in polyphenols),Clidemia hirta(high in hydrolysable tannins),Swietenia mahagoni(high in condensed tannins) andEugenia aquea(high in non-tannin phenolics) were tested alone and in all possible mixtures (n15 treatments). An amount of 200 mg DM of samples was incubatedin vitro(24 h; 39oC) with buffered rumen fluid using the Hohenheim gas test apparatus. After the incubation, total gas production, CH4concentration and fermentation profiles were determined. The levels of absolute CH4, and CH4:SCFA and CH4:total gas ratios were lower (P< 0·05) when incubating a combination ofC. papayaand any high-phenolic plants (C. hirta,S. mahagoniandE. aquea) than when incubatingC. papayaalone. Additionally, mixtures resulted in non-additive effects for all CH4-related parameters of the order of 2–15 % deviation from the expected value (P< 0·01). This means that, by combining these plants, CH4in relation to the fermentative capacity was lower than that predicted when assuming the linearity of the effects. Similar non-additive effects of combiningC. papayawith the other plants were found for NH3concentrations but not for SCFA concentrations. In conclusion, using mixtures of high-quality plants and high-phenolic plants could be one approach to CH4mitigation; however, this awaitsin vivoconfirmation.
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Patra AK. Enteric methane mitigation technologies for ruminant livestock: a synthesis of current research and future directions. ENVIRONMENTAL MONITORING AND ASSESSMENT 2012; 184:1929-1952. [PMID: 21547374 DOI: 10.1007/s10661-011-2090-y] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2010] [Accepted: 04/14/2011] [Indexed: 05/30/2023]
Abstract
Enteric methane (CH(4)) emission in ruminants, which is produced via fermentation of feeds in the rumen and lower digestive tract by methanogenic archaea, represents a loss of 2% to 12% of gross energy of feeds and contributes to global greenhouse effects. Globally, about 80 million tonnes of CH(4) is produced annually from enteric fermentation mainly from ruminants. Therefore, CH(4) mitigation strategies in ruminants have focused to obtain economic as well as environmental benefits. Some mitigation options such as chemical inhibitors, defaunation, and ionophores inhibit methanogenesis directly or indirectly in the rumen, but they have not confirmed consistent effects for practical use. A variety of nutritional amendments such as increasing the amount of grains, inclusion of some leguminous forages containing condensed tannins and ionophore compounds in diets, supplementation of low-quality roughages with protein and readily fermentable carbohydrates, and addition of fats show promise for CH(4) mitigation. These nutritional amendments also increase the efficiency of feed utilization and, therefore, are most likely to be adopted by farmers. Several new potential technologies such as use of plant secondary metabolites, probiotics and propionate enhancers, stimulation of acetogens, immunization, CH(4) oxidation by methylotrophs, and genetic selection of low CH(4)-producing animals have emerged to decrease CH(4) production, but these require extensive research before they can be recommended to livestock producers. The use of bacteriocins, bacteriophages, and development of recombinant vaccines targeting archaeal-specific genes and cell surface proteins may be areas worthy of investigation for CH(4) mitigation as well. A combination of different CH(4) mitigation strategies should be adopted in farm levels to substantially decrease methane emission from ruminants. Evidently, comprehensive research is needed to explore proven and reliable CH(4) mitigation technologies that would be practically feasible and economically viable while improving ruminant production.
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Affiliation(s)
- Amlan Kumar Patra
- Department of Animal Nutrition, West Bengal University of Animal and Fishery Sciences, 37, K. B. Sarani, Belgachia, Kolkata, 700037, India.
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In vitro evaluation, in vivo quantification, and microbial diversity studies of nutritional strategies for reducing enteric methane production. Trop Anim Health Prod 2011; 44:953-64. [PMID: 22083272 DOI: 10.1007/s11250-011-9992-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/24/2011] [Indexed: 10/15/2022]
Abstract
The main objective of the present work was to study nutritive strategies for lessening the CH(4) formation associated to ruminant tropical diets. In vitro gas production technique was used for evaluating the effect of tannin-rich plants, essential oils, and biodiesel co-products on CH(4) formation in three individual studies and a small chamber system to measure CH(4) released by sheep for in vivo studies was developed. Microbial rumen population diversity from in vitro assays was studied using qPCR. In vitro studies with tanniniferous plants, herbal plant essential oils derived from thyme, fennel, ginger, black seed, and Eucalyptus oil (EuO) added to the basal diet and cakes of oleaginous plants (cotton, palm, castor plant, turnip, and lupine), which were included in the basal diet to replace soybean meal, presented significant differences regarding fermentation gas production and CH(4) formation. In vivo assays were performed according to the results of the in vitro assays. Mimosa caesalpineaefolia, when supplemented to a basal diet (Tifton-85 hay Cynodon sp, corn grain, soybean meal, cotton seed meal, and mineral mixture) fed to adult Santa Ines sheep reduced enteric CH(4) emission but the supplementation of the basal diet with EuO did not affect (P > 0.05) methane released. Regarding the microbial studies of rumen population diversity using qPCR with DNA samples collected from the in vitro trials, the results showed shifts in microbial communities of the tannin-rich plants in relation to control plant. This research demonstrated that tannin-rich M. caesepineapholia, essential oil from eucalyptus, and biodiesel co-products either in vitro or in vivo assays showed potential to mitigate CH(4) emission in ruminants. The microbial community study suggested that the reduction in CH(4) production may be attributed to a decrease in fermentable substrate rather than to a direct effect on methanogenesis.
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