Article
Genotype × environment interactions in reproductive traits of Nellore cattle in northeastern Brazil.
Tropical animal health and production - 1 Oct 2016
Ambrosini Diego Pagung, Malhado Carlos Henrique Mendes, Filho Raimundo Martins, Cardoso Fernando Flores, Carneiro Paulo Luiz Souza
Abstract excerpt
We evaluate genotype × environment (G × E) interactions for age at first calving (AFC) and calving interval (CI) of Nellore cattle in northeastern Brazil using four hierarchical reaction norm models (HRNMs). The best-fit model for the traits was the one step heteroscedastic hierarchical reaction norm model. Heritability was close to zero in the worst environments and increased as the environments improved (from...
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