The DOI matches its Crossref record; 120 of the 122 references it cites were found in a registry or an index.
The use of direct-fed microbials for mitigation of ruminant methane emissions: a review
Open accessAbstract
Concerns about the environmental effect and the economic burden of methane (CH4) emissions from ruminants are driving the search for ways to mitigate rumen methanogenesis. The use of direct-fed microbials (DFM) is one possible option to decrease CH4 emission from ruminants. Direct-fed microbials are already used in ruminants mainly to increase productivity and to improve health, and are readily accepted by producers and consumers alike. However, studies on the use of DFM as rumen CH4 mitigants are scarce. A few studies using Saccharomyces cerevisiae have shown a CH4-decreasing effect but, to date, there has not been a systematic exploration of DFM as modulators of rumen methanogenesis. In this review, we explored biochemical pathways competing with methanogenesis that, potentially, could be modulated by the use of DFM. Pathways involving the redirection of H2 away from methanogenesis and pathways producing less H2 during feed fermentation are the preferred options. Propionate formation is an example of the latter option that in addition to decrease CH4 formation increases the retention of energy from the diet. Homoacetogenesis is a pathway using H2 to produce acetate, however up to now no acetogen has been shown to efficiently compete with methanogens in the rumen. Nitrate and sulphate reduction are pathways competing with methanogenesis, but the availability of these substances in the rumen is limited. Although there were studies using nitrate and sulphate as chemical additives, use of DFM for improving these processes and decrease the accumulation of toxic metabolites needs to be explored more. There are some other pathways such as methanotrophy and capnophily or modes of action such as inhibition of methanogens that theoretically could be provided by DFM and affect methanogenesis. We conclude that DFM is a promising alternative for rumen methane mitigation that should be further explored for their practical usage.
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“Feeding live microorganisms to ruminants is not a novel concept and extensive work has been published on the use of “direct-fed microbials” (DFM; Martin and Nisbet, 1992; Jeyanathan et al., 2014).”
From Addressing global ruminant agricultural challenges through understanding the rumen microbiome: past, present, and future (2018) · cites this paper as Jeyanathan et al., 2014
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Citations
Cites
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Huws, S. A., Creevey, C. J., Oyama, L. B., Mizrahi, I., Denman, S. E., Popova, M., Muñoz-Tamayo, R., Forano, E., Waters, S. M., Hess, M., et al. (2018) · Frontiers in Microbiology · doi:10.3389/fmicb.2018.02161 · Cited by 487
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“Perhaps the most interesting aspect of the methanogenesis/acetogenesis story is the fact that, as pointed out by Jeyanathan et al. (2014) acetogens can outcompete methanogens in the gut environments of some non-ruminant animals ranging from termites to wallabies to humans.”
BackgroundMetabolic Hydrogen Flows in Rumen Fermentation: Principles and Possibilities of Interventions
Ungerfeld, E. M. (2020) · Frontiers in Microbiology · doi:10.3389/fmicb.2020.00589 · Cited by 472
Manipulating rumen microbiome and fermentation through interventions during early life: a review
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Invited review: current enteric methane mitigation options
Beauchemin, K. A., Ungerfeld, E. M., Abdalla, A. L., Alvarez, C., Arndt, C., Becquet, P., Benchaar, C., Berndt, A., Mauricio, R. M., McAllister, T. A., et al. (2022) · Journal of Dairy Science · doi:10.3168/jds.2022-22091 · Cited by 324
“Effects of yeasts, A. oryzae, and lactic acid bacteria on CH4 production are variable, which might be expected as they have not been selected for their ability to mitigate CH4 production (Jeyanathan et al., 2014).”
BackgroundInfluential
Metadata
- Authors
- Jeyanathan, J., Martin, C., & Morgavi, D. P.
- Affiliations
- VetAgro Sup (FR)
- Corresponding author
- Jeyanathan, J.
- Venue
- animal
- Publisher
- Elsevier BV
- Published
- 2014
- Volume
- 8
- Issue
- 2
- Pages
- 250-261
- ISSN
- 1751-7311 (ISSN-L)
- OpenAlex
- W2147106437
- Cited by
- 182
- References
- 122
- Citations by year
- 2026: 16 · 2025: 25 · 2024: 23 · 2023: 16 · 2022: 19 · 2021: 12 · 2020: 13 · 2019: 18 · 2018: 10 · 2017: 7 · 2016: 7 · 2015: 10 · 2014: 6
- FWCI
- 16.26
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- animal (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- HAL (submittedVersion, other-oa)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Danone
- Topics
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Ruminant Nutrition and Digestive Physiology
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Anaerobic Digestion and Biogas Production
- Keywords
- direct-fed microbials, ruminant methane emissions, rumen methanogenesis, methane mitigation, Saccharomyces cerevisiae, hydrogen scavenging, homoacetogenesis, nitrate reduction, sulfate reduction, methanotrophy, methanogen inhibition, feed fermentation, energy retention
- MeSH terms
- Animals, Bacteria, Digestion, Methane, Models, Biological, Propionates, Ruminants, Saccharomyces cerevisiae, Succinic Acid, Probiotics, Biosynthetic Pathways, Global Warming
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