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Uniyal S, Chaudhary LC, Kala A, Agarwal N, Chaturvedi VB. Effect of supplementing sulphate-reducing bacteria along with sulphur on growth performance, nutrient utilization and methane emission in goats. Trop Anim Health Prod 2022; 55:3. [PMID: 36496527 DOI: 10.1007/s11250-022-03419-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 12/01/2022] [Indexed: 12/13/2022]
Abstract
A competitive relationship exists between sulphate-reducing bacteria and methanogens in the anaerobic environment including rumen for hydrogen where sulphate is not limiting growth and consequently inhibit enteric methane emission as thermodynamically energetic sulphate reduction (∆Go = - 21.1 kJ/mole of H2) is more favourable than methanogenesis (∆Go = - 16.9 kJ/mole H2). To validate this hypothesis, a study was designed to investigate the effect of supplementation of sulphate-reducing bacteria (SRB) identified as Streptococcus caviae RM296 as microbial feed additives alone or along with sulphur (as sodium sulphate) on methane production, live weight gain, feed intake, nutrient digestibility and energy metabolism in goats. The experiment was conducted on growing kids (n = 36, 5-6 months of age) with average body weight of 10.08 ± 0.21 kg, divided into six groups (n = 6). The duration of the feeding trial was of 150 days. The six treatments were control fed a basal diet (T1), SRB 0.5 ml/kg BW (T2), sulphur (as sodium sulphate) 0.095% of DMI (total sulphur level in the diet 1.5 times the requirement) (T3), sulphur (as sodium sulphate) 0.095% of DMI + SRB 0.5 ml/kg BW (T4), sulphur (as sodium sulphate) 0.19% of DMI (total sulphur level in the diet 2 times the requirement) (T5) and sulphur (as sodium sulphate) 0.19% of DMI + SRB 0.5 ml/kg BW (T6). Duration of study was 150 days and goats were fed as per ICAR (2013) feeding standard. Methane (CH4) production (l/kg DMI) was reduced by 11.8% (P = 0.052) in T6 where sulphur (0.19% DMI) was supplemented along with SRB4 (at the rate 0.5 ml/kg BW) as compared to T1 (un-supplemented group). However, the dry matter intake (DM), total weight gain (TG), average daily gain (ADG), feed conversion ratio (FCR), excretion of purine derivatives (allantoin, uric acid, xanthine and hypoxanthine) and digestibility of organic matter (OM), dry matter (DM), ether extract (EE), crude protein (CP), acid detergent fibre (ADF) and neutral detergent fibre (NDF) were similar (P > 0.05) among all the groups. The experimental data revealed that feeding of SRB as a microbial feed additive along with sulphur (as sodium sulphate) is capable of reducing enteric CH4 emission without any adverse effect on rumen fermentation and digestibility of the nutrients.
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Affiliation(s)
- Sandeep Uniyal
- Department of Animal Nutrition, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, -141004, India.
| | - Lal Chandra Chaudhary
- Animal Nutrition Division, ICAR-Indian Veterinary Research Institute, Izatnagar, -243122, India
| | - Anju Kala
- Animal Nutrition Division, ICAR-Indian Veterinary Research Institute, Izatnagar, -243122, India
| | - Neeta Agarwal
- Animal Nutrition Division, ICAR-Indian Veterinary Research Institute, Izatnagar, -243122, India
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Zhao Y, Zhao G. Decreasing ruminal methane production through enhancing the sulfate reduction pathway. ANIMAL NUTRITION 2022; 9:320-326. [PMID: 35600554 PMCID: PMC9097629 DOI: 10.1016/j.aninu.2022.01.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 12/28/2021] [Accepted: 01/25/2022] [Indexed: 11/17/2022]
Abstract
Methane (CH4) production from ruminants accounts for 16% of the global greenhouse gas emissions and represents 2% to 12% of feed energy. Mitigating CH4 production from ruminants is of great importance for sustainable development of the ruminant industry. H2 is the primary substrate for CH4 production in the processes of ruminal methanogenesis. Sulfate reducing bacteria are able to compete with methanogens for H2 in the rumen, and consequently inhibit the methanogenesis. Enhancing the ruminal sulfate reducing pathway is an important approach to mitigate CH4 emissions in ruminants. The review summarized the effects of sulfate and elemental S on ruminal methanogenesis, and clarified the related mechanisms through the impacts of sulfate and elemental S on major ruminal sulfate reducing bacteria. Enhancing the activities of the major ruminal sulfate reducing bacteria including Desulfovibrio, Desulfohalobium and Sulfolobus through dietary sulfate addition, elemental S and dried distillers grains with solubles can effectively decrease the ruminal CH4 emissions. Suitable levels of dietary addition with different S sources for reducing the ruminal CH4 production, as well as maintaining the performance and health of ruminants, need to be investigated in the future.
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Baldewijns S, Sillen M, Palmans I, Vandecruys P, Van Dijck P, Demuyser L. The Role of Fatty Acid Metabolites in Vaginal Health and Disease: Application to Candidiasis. Front Microbiol 2021; 12:705779. [PMID: 34276639 PMCID: PMC8282898 DOI: 10.3389/fmicb.2021.705779] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 05/31/2021] [Indexed: 12/28/2022] Open
Abstract
Although the vast majority of women encounters at least one vaginal infection during their life, the amount of microbiome-related research performed in this area lags behind compared to alternative niches such as the intestinal tract. As a result, effective means of diagnosis and treatment, especially of recurrent infections, are limited. The role of the metabolome in vaginal health is largely elusive. It has been shown that lactate produced by the numerous lactobacilli present promotes health by limiting the chance of infection. Short chain fatty acids (SCFA) have been mainly linked to dysbiosis, although the causality of this relationship is still under debate. In this review, we aim to bring together information on the role of the vaginal metabolome and microbiome in infections caused by Candida. Vulvovaginal candidiasis affects near to 70% of all women at least once in their life with a significant proportion of women suffering from the recurrent variant. We assess the role of fatty acid metabolites, mainly SCFA and lactate, in onset of infection and virulence of the fungal pathogen. In addition, we pinpoint where lack of research limits our understanding of the molecular processes involved and restricts the possibility of developing novel treatment strategies.
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Affiliation(s)
- Silke Baldewijns
- Laboratory of Molecular Cell Biology, Institute of Botany and Microbiology, KU Leuven, Leuven-Heverlee, Belgium
- VIB-KU Leuven Center for Microbiology, Leuven, Belgium
| | - Mart Sillen
- Laboratory of Molecular Cell Biology, Institute of Botany and Microbiology, KU Leuven, Leuven-Heverlee, Belgium
- VIB-KU Leuven Center for Microbiology, Leuven, Belgium
| | - Ilse Palmans
- Laboratory of Molecular Cell Biology, Institute of Botany and Microbiology, KU Leuven, Leuven-Heverlee, Belgium
- VIB-KU Leuven Center for Microbiology, Leuven, Belgium
| | - Paul Vandecruys
- Laboratory of Molecular Cell Biology, Institute of Botany and Microbiology, KU Leuven, Leuven-Heverlee, Belgium
- VIB-KU Leuven Center for Microbiology, Leuven, Belgium
| | - Patrick Van Dijck
- Laboratory of Molecular Cell Biology, Institute of Botany and Microbiology, KU Leuven, Leuven-Heverlee, Belgium
- VIB-KU Leuven Center for Microbiology, Leuven, Belgium
| | - Liesbeth Demuyser
- Laboratory of Molecular Cell Biology, Institute of Botany and Microbiology, KU Leuven, Leuven-Heverlee, Belgium
- VIB-KU Leuven Center for Microbiology, Leuven, Belgium
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Attri K, Dey A, Dahiya SS, Paul SS, Jerome A, Bharadwaj A, Kakker NK. Abatement of enteric methane production from lactating Murrah buffaloes (Bubalus bubalis) with improving production performance and immune status through dietary supplementation of composite feed additive. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:22476-22485. [PMID: 32314293 DOI: 10.1007/s11356-020-08601-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
Ruminant livestock production processes are the major sources of methane production in agriculture sector triggering global environmental pollution. Above 90% of world buffalo population present in Asian countries, India ranks first and contributes significantly to the environmental pollution by enteric methane emissions. In this study, we examined the effect of dietary composite feed additive supplementation on ruminal methane production, nutrient utilization, milk production and immune status of buffaloes (Bubalus bubalis). Eighteen lactating Murrah (Bubalus bubalis) buffaloes at early stage of lactation were divided into two groups of nine animals and fed a composite feed additive [consisted of (%, w/w) dried and ground leaves of Cordia dichotoma and Holoptelea integrifolia, 31.4 each; garlic oil, 0.6; sodium nitrate, 3.1; magnesium sulphate, 8.4; mustard oil, 12.6 and cottonseed oil, 12.5] which contained an ideal combinations of methane inhibitors, alternate hydrogen sinks and rumen stimulating agents to treatment (CFA) group animals along with basal feed of chaffed green sorghum (Sorghum bicolor) fodder, chaffed wheat straw and concentrate mixture for maintenance and milk production. The results showed a decrease (44.6%) in methane concentration in exhaled air of CFA group buffaloes with increase (p < 0.05) in digestibility of feed in comparison to control (CON). Total digestible nutrient (TDN) content of the ration fed to buffaloes of CFA group was significantly (p < 0.05) increased. The daily milk yield, 6% fat corrected milk (FCM) yield and immune response were also increased (p < 0.05) in CFA group. The study suggests that the supplementation of composite feed additive was effective to reduce enteric methane emissions and improvement in production performance and immune status of buffaloes.
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Affiliation(s)
- Kiran Attri
- Division of Animal Nutrition and Feed Technology, Hisar, 125001, India
- Division of Animal Nutrition, ICAR-National Dairy Research Institute, Karnal, 132001, India
| | - Avijit Dey
- Division of Animal Nutrition and Feed Technology, Hisar, 125001, India.
| | | | - Shyam Sundar Paul
- Division of Animal Nutrition and Feed Technology, Hisar, 125001, India
| | - Andonissamy Jerome
- Division of Animal Physiology and Reproduction, ICAR-Central Institute for Research on Buffaloes, Hisar, 125001, India
| | - Anurag Bharadwaj
- Division of Animal Genetics and Breeding, ICAR-Central Institute for Research on Buffaloes, Hisar, 125001, India
| | - Naresh Kumar Kakker
- Department of Veterinary Microbiology, College of Veterinary Science, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar, 125004, India
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Islam M, Lee SS. Advanced estimation and mitigation strategies: a cumulative approach to enteric methane abatement from ruminants. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2019; 61:122-137. [PMID: 31333869 PMCID: PMC6582924 DOI: 10.5187/jast.2019.61.3.122] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/09/2019] [Accepted: 05/13/2019] [Indexed: 11/20/2022]
Abstract
Methane, one of the important greenhouse gas, has a higher global warming
potential than that of carbon dioxide. Agriculture, especially livestock, is
considered as the biggest sector in producing anthropogenic methane. Among
livestock, ruminants are the highest emitters of enteric methane.
Methanogenesis, a continuous process in the rumen, carried out by archaea either
with a hydrogenotrophic pathway that converts hydrogen and carbon dioxide to
methane or with methylotrophic pathway, which the substrate for methanogenesis
is methyl groups. For accurate estimation of methane from ruminants, three
methods have been successfully used in various experiments under different
environmental conditions such as respiration chamber, sulfur hexafluoride tracer
technique, and the automated head-chamber or GreenFeed system. Methane
production and emission from ruminants are increasing day by day with an
increase of ruminants which help to meet up the nutrient demands of the
increasing human population throughout the world. Several mitigation strategies
have been taken separately for methane abatement from ruminant productions such
as animal intervention, diet selection, dietary feed additives, probiotics,
defaunation, supplementation of fats, oils, organic acids, plant secondary
metabolites, etc. However, sustainable mitigation strategies are not established
yet. A cumulative approach of accurate enteric methane measurement and existing
mitigation strategies with more focusing on the biological reduction of methane
emission by direct-fed microbials could be the sustainable methane mitigation
approaches.
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Affiliation(s)
- Mahfuzul Islam
- Ruminant Nutrition and Anaerobe Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea
| | - Sang-Suk Lee
- Ruminant Nutrition and Anaerobe Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea
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Lan W, Yang C. Ruminal methane production: Associated microorganisms and the potential of applying hydrogen-utilizing bacteria for mitigation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 654:1270-1283. [PMID: 30841400 DOI: 10.1016/j.scitotenv.2018.11.180] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 11/12/2018] [Accepted: 11/12/2018] [Indexed: 05/16/2023]
Abstract
Methane emission from ruminants not only causes serious environmental problems, but also represents a significant source of energy loss to animals. The increasing demand for sustainable animal production is driving researchers to explore proper strategies to mitigate ruminal methanogenesis. Since hydrogen is the primary substrate of ruminal methanogenesis, hydrogen metabolism and its associated microbiome in the rumen may closely relate to low- and high-methane phenotypes. Using candidate microbes that can compete with methanogens and redirect hydrogen away from methanogenesis as ruminal methane mitigants are promising avenues for methane mitigation, which can both prevent the adverse effects deriving from chemical additives such as toxicity and resistance, and increase the retention of feed energy. This review describes the ruminal microbial ecosystem and its association with methane production, as well as the effects of interspecies hydrogen transfer on methanogenesis. It provides a scientific perspective on using bacteria that are involved in hydrogen utilization as ruminal modifiers to decrease methanogenesis. This information will be helpful in better understanding the key role of ruminal microbiomes and their relationship with methane production and, therefore, will form the basis of valuable and eco-friendly methane mitigation methods while improving animal productivity.
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Affiliation(s)
- Wei Lan
- Institute of Dairy Science, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China; MoE Key Laboratory of Molecular Animal Nutrition, China
| | - Chunlei Yang
- Institute of Dairy Science, College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China; MoE Key Laboratory of Molecular Animal Nutrition, China.
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Khan RU, Naz S, Dhama K, Karthik K, Tiwari R, Abdelrahma MM, Alhidary IA, Zahoor A. Direct-Fed Microbial: Beneficial Applications, Modes of Action and
Prospects as a Safe Tool for Enhancing Ruminant Production and
Safeguarding Health. INT J PHARMACOL 2016. [DOI: 10.3923/ijp.2016.220.231] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Meng Y, Mumme J, Xu H, Wang K. A biologically inspired variable-pH strategy for enhancing short-chain fatty acids (SCFAs) accumulation in maize straw fermentation. BIORESOURCE TECHNOLOGY 2016; 201:329-336. [PMID: 26687493 DOI: 10.1016/j.biortech.2015.11.064] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 11/20/2015] [Accepted: 11/24/2015] [Indexed: 06/05/2023]
Abstract
This study investigates the feasibility of varying the pH to enhance the accumulation of short-chain fatty acids (SCFAs) in the in vitro fermentation of maize straw. The corresponding hydrolysis rate and the net SCFA yield increased as inoculum ratio (VSinoculum/VSsubstrate) increased from 0.09 to 0.79. The pH were maintained at 5.3, 5.8, 6.3, 6.8, 7.3, and 7.8, respectively. A neutral pH of approximately 6.8 was optimal for hydrolysis. The net SCFA yield decreased by 34.9% for a pH of less than 5.8, but remained constant at approximately 721±5mg/gvs for a pH between 5.8 and 7.8. In addition, results were obtained for variable and constant pH levels at initial substrate concentrations of 10, 30 and 50g/L. A variable pH increased the net SCFA yield by 23.6%, 29.0%, and 36.6% for concentrations of 10, 30 and 50g/L. Therefore, a variable pH enhanced SCFA accumulation in maize straw fermentation.
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Affiliation(s)
- Yao Meng
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, PR China
| | - Jan Mumme
- UK Biochar Centre, School of GeoSciences, University of Edinburgh, Crew Building, King's Buildings, Edinburgh EH9 3JN, UK
| | - Heng Xu
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, PR China
| | - Kaijun Wang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, PR China.
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The use of direct-fed microbials for mitigation of ruminant methane emissions: a review. Animal 2014; 8:250-61. [DOI: 10.1017/s1751731113002085] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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Wong YS, Teng TT, Ong SA, Morad N, Rafatullah M. Suspended growth kinetic analysis on biogas generation from newly isolated anaerobic bacterial communities for palm oil mill effluent at mesophilic temperature. RSC Adv 2014. [DOI: 10.1039/c4ra08483g] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The anaerobic degradation of palm oil mill effluent (POME) was carried out under mesophilic temperature in an anaerobic suspended growth closed bioreactor (ASGCB).
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Affiliation(s)
- Yee-Shian Wong
- School of Industrial Technology
- Universiti Sains Malaysia
- 11600 Gelugor, Malaysia
- School of Environmental Engineering
- Universiti Malaysia Perlis
| | - Tjoon Tow Teng
- School of Industrial Technology
- Universiti Sains Malaysia
- 11600 Gelugor, Malaysia
| | - Soon-An Ong
- School of Environmental Engineering
- Universiti Malaysia Perlis
- 02600 Arau, Malaysia
| | - Norhashimah Morad
- School of Industrial Technology
- Universiti Sains Malaysia
- 11600 Gelugor, Malaysia
| | - Mohd Rafatullah
- School of Industrial Technology
- Universiti Sains Malaysia
- 11600 Gelugor, Malaysia
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