Cited by 391Ruminant Nutrition and Digestive PhysiologyAnaerobic Digestion and Biogas ProductionGut microbiota and health

The ruminal microbiome associated with methane emissions from ruminant livestock

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Tapio, Ilma, Snelling, Timothy J., Strozzi, Francesco, Wallace, R. John·2017·Journal of Animal Science and Biotechnology

Abstract

Methane emissions from ruminant livestock contribute significantly to the large environmental footprint of agriculture. The rumen is the principal source of methane, and certain features of the microbiome are associated with low/high methane phenotypes. Despite their primary role in methanogenesis, the abundance of archaea has only a weak correlation with methane emissions from individual animals. The composition of the archaeal community appears to have a stronger effect, with animals harbouring the Methanobrevibacter gottschalkii clade tending to be associated with greater methane emissions. Ciliate protozoa produce abundant H 2 , the main substrate for methanogenesis in the rumen, and their removal (defaunation) results in an average 11% lower methane emissions in vivo, but the results are not consistent . Different protozoal genera seem to result in greater methane emissions, though community types (A, AB, B and O) did not differ. Within the bacteria, three different ‘ruminotypes’ have been identified, two of which predispose animals to have lower methane emissions. The two low-methane ruminotypes are generally characterized by less abundant H 2 -producing bacteria. A lower abundance of Proteobacteria and differences in certain Bacteroidetes and anaerobic fungi seem to be associated with high methane emissions. Rumen anaerobic fungi produce abundant H 2 and formate, and their abundance generally corresponds to the level of methane emissions. Thus, microbiome analysis is consistent with known pathways for H 2 production and methanogenesis, but not yet in a predictive manner. The production and utilisation of formate by the ruminal microbiota is poorly understood and may be a source of variability between animals.

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  1. [36]Kittelmann S Seedorf H Walters WA Clemente JC Knight R Gordon JI Simultaneous amplicon sequencing to explore co-occurrence patterns of bacterial, archaeal and eukaryotic microorganisms in rumen microbial communities Plos One 2013 8 e103171 10.1371/journal.pone.0047879 PMC3568148 23408926 · DOI

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Authors
Tapio, I., Snelling, T. J., Strozzi, F., & Wallace, R. J.
Affiliations
  • Natural Resources Institute Finland (FI)
  • University of Aberdeen (GB)
  • Parco Tecnologico Padano (IT)
Corresponding author
Wallace, R. John
Venue
Journal of Animal Science and Biotechnology
Published
2017-01-19
Volume
8
Issue
1
Pages
7-7
ISSN
  • 1674-9782 (ISSN-L)
  • 2049-1891
OpenAlex
W2575397500
Cited by
391
References
112
Citations by year
2026: 33 · 2025: 49 · 2024: 53 · 2023: 44 · 2022: 54 · 2021: 56 · 2020: 46 · 2019: 27 · 2018: 24 · 2017: 5
FWCI
4.52
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Jukuri (Natural Resources Institute Finland (Luke)) (submittedVersion, cc-by)
  • Aberdeen University Research Archive (Aberdeen University) (submittedVersion)
  • Zenodo (CERN European Organization for Nuclear Research) (submittedVersion, cc-by)
Funders
Seventh Framework Programme (289319)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
  • Physical Sciences › Engineering › Building and Construction › Anaerobic Digestion and Biogas Production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
rumen microbiota, methane emissions, ruminant livestock, methanogenesis, Methanobrevibacter gottschalkii, rumen protozoa, hydrogen production, rumen bacteria, rumen archaea, rumen fungi, formate, Bacteroidetes, Proteobacteria, methane mitigation

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