Reference : Phenotypes to genetically reduce greenhouse gas emissions in dairying
Scientific journals : Article
Life sciences : Genetics & genetic processes
Life sciences : Animal production & animal husbandry
http://hdl.handle.net/2268/206769
Phenotypes to genetically reduce greenhouse gas emissions in dairying
English
de Haas, Yvette [Wageningen UR Livestock Research > Animal Breeding and Genomics Center > > >]
Pszczola, Marcin [Poznan University of Life Sciences > Department of Genetics and Animal Breeding > > >]
Soyeurt, Hélène mailto [Université de Liège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Statistique, Inform. et Mathém. appliquée à la bioingénierie >]
Wall, Eileen [Scotland's Rural College > Animal and Veterinary Sciences > > >]
Lassen, Jan [Aarhus University - Faculty of Science and Technology > Department of Molecular Biology and Genetics > > >]
Feb-2017
Journal of Dairy Science
American Dairy Science Association
100
2
855-870
Yes (verified by ORBi)
International
0022-0302
1525-3198
Champaign
IL
[en] environmental phenotypes ; greenhouse gases ; enteric methane
[en] Phenotypes have been reviewed to select for lower-emitting animals in order to decrease the environmental footprint of dairy cattle products. This includes direct selection for breath measurements, as well as indirect selection via indicator traits such as feed intake, milk spectral data, and rumen microbial communities. Many of these traits are expensive or difficult to record, or both, but with genomic selection, inclusion of methane emission as a breeding goal trait is feasible, even with a limited number of registrations. At present, methane emission is not included among breeding goals for dairy cattle worldwide. There is no incentive to include enteric methane in breeding goals, although global warming and the release of greenhouse gases is a much-debated political topic. However, if selection for reduced methane emission became a reality, there would be limited consensus as to which phenotype to select for: methane in liters per day or grams per day, methane in liters per kilogram of energy-corrected milk or dry matter intake, or a residual methane phenotype, where methane production is corrected for milk production and the weight of the cow. We have reviewed the advantages and disadvantages of these traits, and discuss the methods for selection and consequences for these phenotypes.
http://hdl.handle.net/2268/206769
10.3168/jds.2016-11246

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