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Genomic evaluation for two-way crossbred performance in cattle

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  • Quanshun Mei, Huazhong Agricultural University
  • ,
  • Huiming Liu, Landbrug & Fodevarer, SEGES
  • ,
  • Tao Xiang, Huazhong Agricultural University
  • ,
  • Ole Fredslund Christensen
Dairy cattle production systems are mostly based on using purebreds, but recently crossbreeding has received increased interest. For genetic evaluation including crossbreds, ideally, models accounting for breed specific effects should perform better compared with simple models. A novel single-step best linear unbiased prediction method provides an opportunity to combine purebred and crossbred information when breed specific effects are accounted for. In this study, we applied this single-step method to evaluate two-way crossbred
performance for average daily gain in crossbred beef on dairy. Results showed that the singlestep method, which accounted for breed specific effects, had a higher predictive ability. We conclude that this method is useful in the genetic evaluation for crossbred performance in cattle production system.
TitelWCGALP 2022 Programme book
Antal sider4
ForlagWageningen Academic Publishers
Udgivelsesårjul. 2022
StatusUdgivet - jul. 2022
BegivenhedWorld Congress on Genetics Applied to Livestock Production - Rotterdam, Holland
Varighed: 3 jul. 20228 jul. 2022
Konferencens nummer: 12


KonferenceWorld Congress on Genetics Applied to Livestock Production

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