Article
Genotype by environment interaction for fat and protein yields via reaction norms in Holstein cattle of southern Brazil.
The Journal of dairy research - 1 Feb 2021
Mulim Henrique Alberto, Carneiro Paulo Luiz Souza, Malhado Carlos Henrique Mendes, Pinto Luís Fernando Batista, Mourão Gerson Barreto, Valloto Altair Antônio, Pedrosa Victor Breno
Abstract excerpt
Our objective was to evaluate the genetic merit of Holstein cattle population in southern Brazil in response to variations in the regional temperature by analyzing the genotype by environment interaction using reaction norms. Fat yield (FY) and protein yield (PY) data of 67 360 primiparous cows were obtained from the database of the Paraná Holstein Breeders Association, Brazil (APCBRH). The regional average...
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