ArticleGenetics, selection, evolution : GSE2025
Rumen metagenome profiles are heritable and rank the New Zealand national sheep flock for enteric methane emissions.
Article in Genetics, selection, evolution : GSE, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Short communication: oral microbiome as a potential proxy for methane emissions in grazing tropical composite beef cattle.Journal of animal science · 2026Article
- Assessing alternative metrics of methane output measured in a multi-breed, pasture-based sheep population.Journal of animal science · 2026Article
- The hologenome concept and its implications for animal breeding in the multi-omics Era.Genetics and molecular biology · 2026Article
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Authors and funding
23 authors.
Funding
Abstract
backgroundGlobal targets to reduce greenhouse gas emissions to meet international climate change commitments have driven the livestock industry to develop solutions to reduce methane emission in ruminants while maintaining production. Research has shown that selective breeding for low methane emitting ruminants using genomic selection is one viable solution to meet methane targets at a national level. However, this requires obtaining sufficient measures of methane on individual animals across the national herd. In sheep, one affordable method for measuring methane on-farm to rank animals on their methane emissions is portable accumulation chambers (PAC), although this method is not without its challenges. An alternative is to use a proxy trait that is genetically correlated with PAC methane measures. One such trait that has shown promise is rumen metagenome community (RMC) profiles. In this study, we investigate the potential of using RMC profiles as a proxy trait for methane emissions from PAC using a large sheep dataset consisting of 4585 mixed-sex lambs from several flocks and years across New Zealand.
resultsRMC profiles were generated from rumen samples collected on the animals immediately after being measured through PAC using restriction enzyme-reduced representation sequencing. We predicted methane (CH
conclusionsRMC profiles are predictive of, and genetically correlated, with PAC methane measures. Therefore, RMC profiles are a suitable proxy trait for determining the genetic merit of an animal's methane emissions and could be incorporated into existing breeding programs to facilitate selective breeding for low methane emitting sheep.
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