期刊
SCIENTIFIC REPORTS
卷 5, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/srep14567
关键词
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资金
- New Zealand Government as part of Global Research Alliance on Agricultural Greenhouse Gases
- Agencia Nacional de Investigacion e Innovacion
- Alberta Livestock and Meat Agency, Canada
- Area de Ciencia y Tecnica, Universidad Juan A Maza [508/2012]
- Canada British Columbia Ranching Task Force Funding Initiative
- CNPq
- FAPEMIG
- FAPEMIG, PECUS RumenGases
- Cooperative Research Program for Agriculture Science & Technology Development [PJ0074512012]
- Rural Development Administration, Republic of Korea
- Dutch Dairy Board & Product Board Animal Feed
- Ferdowsi University of Mashhad
- Finnish Ministry of Agriculture and Forestry
- Instituto Nacional de Tecnologia Agropecuaria, Argentina [PNBIO1431044]
- Irish Department of Agriculture, Fisheries and Food
- Meat & Livestock Australia
- Department of Agriculture, Fisheries & Forestry (Australian Government)
- Ministerio de Agricultura y desarrollo sostenible (Colombia)
- Montana Agricultural Experiment Station project [MONB00113]
- Multistate project W-3177 Enhancing the competitiveness of US beef [MONB00195]
- NSW Stud Merino Breeders' Association
- Queensland Enteric Methane Hub
- Rural and Environment Science and Analytical Services Division (RESAS) of the Scottish Government and the Technology Strategy Board, UK
- Science Foundation Ireland [09/RFP/GEN2447]
- Secretaria de Agricultura, Ganaderia, Desarrollo Rural, Pesca y Alimentacion
- Slovenian Research Agency [J1-6732, P4-0097]
- Strategic Priority Research Program, Climate Change: Carbon Budget and Relevant Issues [XDA05020700]
- European Research Commission Starting Grant Fellowship [336355-MicroDE]
- Independent Danish Research Council [4002-00036, 11-105913]
- Science Foundation Ireland (SFI) [09/RFP/GEN2447] Funding Source: Science Foundation Ireland (SFI)
Ruminant livestock are important sources of human food and global greenhouse gas emissions. Feed degradation and methane formation by ruminants rely on metabolic interactions between rumen microbes and affect ruminant productivity. Rumen and camelid foregut microbial community composition was determined in 742 samples from 32 animal species and 35 countries, to estimate if this was influenced by diet, host species, or geography. Similar bacteria and archaea dominated in nearly all samples, while protozoal communities were more variable. The dominant bacteria are poorly characterised, but the methanogenic archaea are better known and highly conserved across the world. This universality and limited diversity could make it possible to mitigate methane emissions by developing strategies that target the few dominant methanogens. Differences in microbial community compositions were predominantly attributable to diet, with the host being less influential. There were few strong co-occurrence patterns between microbes, suggesting that major metabolic interactions are non-selective rather than specific.
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