2014
DOI: 10.1590/1678-6351
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Uso de modelos lineares mistos na avaliação genética de escores visuais: estudo de simulação

Abstract: RESUMOObjetivou-se avaliar a aplicação da metodologia de modelos lineares mistos em características de escores visuais por meio de simulação, considerando-se duas estruturas populacionais (com e sem seleção), dois níveis de herdabilidade (0,1 e 0,4) e quatro níveis de conectabilidade (8, 20, 38 e 60%). As populações com e sem seleção estavam constituídas por 6660 e 3360 animais, respectivamente, dos quais os últimos 2460 animais tinham fenótipo para o escore visual. Assumiu-se uma variável contínua adjacente a… Show more

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“…Moreover, the use of phenotypic assessments contributes to the directing of the processes of obtaining, selecting and crossing, ultimately generating subsidies for implementation of animal breeding programs (DUITAMA et al, 2014). Thus, this study proposes to identify and evaluate the phenotype of genetic groups of the Girolando breed in dairy herds in the state of Roraima.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, the use of phenotypic assessments contributes to the directing of the processes of obtaining, selecting and crossing, ultimately generating subsidies for implementation of animal breeding programs (DUITAMA et al, 2014). Thus, this study proposes to identify and evaluate the phenotype of genetic groups of the Girolando breed in dairy herds in the state of Roraima.…”
Section: Introductionmentioning
confidence: 99%