2021
DOI: 10.3168/jds.2020-19889
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Breeding for reduced methane emission and feed-efficient Holstein cows: An international response

Abstract: Selecting for lower methane (CH 4 ) emitting animals is one of the best approaches to reduce CH 4 given that genetic progress is permanent and cumulative over generations. As genetic selection requires a large number of animals with records and few countries actively record CH 4 , combining data from different countries could help to expedite accurate genetic parameters for CH 4 traits and build a future genomic reference population. Additionally, if we want to include CH 4 in the breeding goal, it is importan… Show more

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Cited by 66 publications
(36 citation statements)
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“…Methane introduces new challenges when implementing this approach as the analysis relies on many small data sets using different measurement techniques, introducing additional error. As methane for each country must be considered an independent trait, multitrait models are used which increases computational complexity (Manzanilla-Pech, 2021).…”
Section: Future Strategiesmentioning
confidence: 99%
See 3 more Smart Citations
“…Methane introduces new challenges when implementing this approach as the analysis relies on many small data sets using different measurement techniques, introducing additional error. As methane for each country must be considered an independent trait, multitrait models are used which increases computational complexity (Manzanilla-Pech, 2021).…”
Section: Future Strategiesmentioning
confidence: 99%
“…It is expected that a direct CH 4 EBV may become available in the near future (Manzanilla-Pech et al, 2021;Richardson et al, 2021b). In Australia, a residual methane trait that corrects for production and intake is most likely to be implemented (Richardson et al, 2021b).…”
Section: Future Strategiesmentioning
confidence: 99%
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“…Numerous in-depth reviews have been conducted on management strategies in the existing literature to reduce enteric CH 4 production with a focus on animal genetic merit [86][87][88][89]. Multiple genetic pathways exist for reducing CH 4 production, from directly breeding for animals that produce less CH 4 , to diluting the CH 4 emissions by breeding for animals that are more efficient, thus emitting less CH 4 per product produced.…”
Section: Breeding For Lower Methane Productionmentioning
confidence: 99%