2005
DOI: 10.1590/s1516-35982005000500018
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Efeito da interação reprodutor x rebanho sobre as produções de leite e de gordura na raça Pardo-Suíça

Abstract: RESUMO -Dados de 4.959 lactações de 2.414 vacas da raça Pardo-Suíça, filhas de 70 reprodutores, distribuídos em 51 rebanhos, foram utilizados para se estimar o componente de variância para a interação reprodutor x rebanho das produções de leite e de gordura e verificar o efeito desta interação sobre a avaliação genética dos reprodutores, por meio de modelos que diferiam na presença e ausência do termo de interação. As produções de leite e de gordura foram ajustadas para duas ordenhas diárias, 305 dias de lacta… Show more

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Cited by 3 publications
(4 citation statements)
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References 19 publications
(24 reference statements)
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“…Similar results were obtained by Silva et al (2002). Sirol et al (2005) also found correlations from Pearson and Spearman for animals from the Swiss-Brown race, obtained by different models next to 1. The same was observed by Mohammad et al (1982), that found Pearson and Spearman correlation above 0,99 for models that included and that ignored the interaction sire x herd effect and concluded that to ignore the interaction effect would not cause major alterations in the classification in Holstein cattle.…”
Section: Modelsmentioning
confidence: 66%
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“…Similar results were obtained by Silva et al (2002). Sirol et al (2005) also found correlations from Pearson and Spearman for animals from the Swiss-Brown race, obtained by different models next to 1. The same was observed by Mohammad et al (1982), that found Pearson and Spearman correlation above 0,99 for models that included and that ignored the interaction sire x herd effect and concluded that to ignore the interaction effect would not cause major alterations in the classification in Holstein cattle.…”
Section: Modelsmentioning
confidence: 66%
“…However, Araújo (2000), working with Holstein cattle, and Sirol et al (2005), with cattle breed Brown Swiss, found a significant effect in the inclusion of sire x herd interaction in the model of repeatability. Breeders produced in these herds are then distributed to be used in various environments.…”
Section: Resultsmentioning
confidence: 92%
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