Sustainable dairy cattle selection in the genomic era

Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie
D BoichardS Fritz

Abstract

Genomic selection offers considerable flexibility to increase genetic trends in dairy cattle breeding. It is also an opportunity for more sustainable breeding, in terms of breeding goal and genetic variability. With a shorter generation interval, there is a big risk of increasing inbreeding if semen dissemination policy of elite bulls is not changed. However, using a large number of young bulls as service bulls and bull sires is a solution for both maximizing genetic trend while reducing inbreeding trend. Female genotyping is a key challenge for within-herd selection but, more importantly, for selection of new traits and for replacement of current reference populations based upon progeny-tested bulls. Genomic selection also opens new avenues for more customized breeding across herds or production systems. A big challenge is to reduce the dependency of genomic predictions on relationship between candidates and the reference population. A strong effort is presently dedicated to integrating genome sequence information into predictions, to improve their accuracy and persistency. In the longer term, further customization of selection will be possible by accounting for G × E interactions. Important developments are also necessary to ...Continue Reading

References

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Citations

Mar 10, 2016·Animal : an International Journal of Animal Bioscience·K Schöpke, H H Swalve
Apr 1, 2015·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·F W NicholasJ Sölkner
Mar 5, 2018·Journal of Dairy Science·J H BrittJ S Stevenson
Aug 28, 2017·Journal of Dairy Science·J I WellerM Ron
Feb 17, 2018·Tropical Animal Health and Production·Ahmed AliFahd Al-Sobayil
Jan 29, 2019·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·Tom GranleeseJulius H J van der Werf
Dec 6, 2016·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·D JónásP Croiseau
Apr 26, 2020·Journal of Dairy Science·P M VanRaden
Feb 13, 2017·Journal of Dairy Science·A Reiner-BenaimJ I Weller
Oct 12, 2020·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·Jovana Marjanovic, Mario P L Calus
May 1, 2021·Animals : an Open Access Journal From MDPI·Maria Gabriela C D PeixotoPablo Augusto S Fonseca

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