Genetic parameters for lactose percentage in the milk of Polish Holstein-Friesians

Authors:
  • EPE. Ptak
    E. Ptak
  • PBP. Brzozowski
    P. Brzozowski
  • JBJ. Bieniek
    J. Bieniek
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Abstract
Genetic parameters for lactose percentage in the milk of Polish Holstein-Friesian cows were estimated using 48,859 test day records from six lactations of 8,418 cows and the Gibbs sampling method. The multiple-trait random regression model was applied for data from the first and subsequent (up to...