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Estimate of genetic trend for milk production in Holstein cattle from the State of Minas Gerais



Estimate of genetic trend for milk production in Holstein cattle from the State of Minas Gerais



Arquivo Brasileiro de Medicina Veterinaria e Zootecnia 58(4): 599-606



Production records from 75 567 lactations of 40 941 Holstein cows in 561 herds from 1980 to 2002 were used. Predicted cow and sire breeding values from an animal model were used to estimate genetic trend considering the four selection paths connecting two generations. The variance component estimates and breeding value predictions were obtained using the MTDFREML program.

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Accession: 012786424

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DOI: 10.1590/S0102-09352006000400023


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