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Direct and maternal annual genetic changes for selected traits at weaning and yearling in beef cattle
Provedor de dados: Acta Scientiarum: Animal Sciences
Autores: Boligon, Arione Augusti; Vicente, Isadora dos Santos; Roso, Vanerlei Mozaquatro; Souza, Fabio Pablos de.
Heritability and direct and maternal genetic changes were estimated in Nellore cattle for the following traits: birth to weaning weight gain (BWG), weaning to yearling weight gain (YWG), weaning conformation (WC), weaning precocity (WP), weaning muscling (WM), yearling conformation (YC), yearling precocity (YP), yearling muscling (YM) and yearling scrotal circumference (SC). Direct and maternal heritability for weaning traits were 0.21±0.03 and 0.13±0.01 (BWG); 0.19±0.03 and 0.07±0.01 (WC); 0.22±0.03 and 0.07±0.01 (WP); 0.20±0.03 and 0.07±0.01 (WM), respectively. For yearling traits, direct heritability were 0.19±0.04 (YWG); 0.32±0.05 (YC); 0.37±0.05 (YP); 0.38±0.05 (YM) and 0.41±0.04 (SC). Positive and significant direct genetic changes (p &lt; 0.05) were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Genetic progress; Nellore cattle; Scrotal circumference; Visual scores; Weight gain.
Ano: 2018
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/42572