2006
DOI: 10.1590/s1516-35982006000500011
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Avaliação de fatores de ambiente e estimativas de parâmetros genéticos para a característica dias para o parto na raça Nelore

Abstract: RESUMO -Dados de um rebanho comercial da raça Nelore foram analisados com os objetivos de avaliar a influência de fatores ambientais e estimar parâmetros genéticos para a característica dias para o parto (DPP). Foram utilizados modelos fixos que incluíram os efeitos de grupo de contemporâneos, sexo do bezerro, idade da vaca no início da estação de monta, mês do parto anterior e peso do bezerro desmamado no final da estação de monta (apenas este último efeito não influenciou a característica significativamente)… Show more

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Cited by 4 publications
(1 citation statement)
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“…In the present study, the DC trait was only analysed in females that calved. Forni & Albuquerque (2006) performed analyses considering only females that calved and including all females exposed to bulls, even those with no calving record, with a penalty being attributed to animals that did not calve, that is, 21 days was added to the highest value found for the management group. The authors observed no genetic differences between animals when the data of all exposed females were included, attributing a penalty to those with no calving record.…”
Section: Resultsmentioning
confidence: 99%
“…In the present study, the DC trait was only analysed in females that calved. Forni & Albuquerque (2006) performed analyses considering only females that calved and including all females exposed to bulls, even those with no calving record, with a penalty being attributed to animals that did not calve, that is, 21 days was added to the highest value found for the management group. The authors observed no genetic differences between animals when the data of all exposed females were included, attributing a penalty to those with no calving record.…”
Section: Resultsmentioning
confidence: 99%