Short communication: influence of composite casein genotypes on additive genetic variation of milk production traits and coagulation properties in Holstein-Friesian cows.

@article{Penasa2010ShortCI,
  title={Short communication: influence of composite casein genotypes on additive genetic variation of milk production traits and coagulation properties in Holstein-Friesian cows.},
  author={Mauro Penasa and Martino Cassandro and Denis R. Pretto and Massimo De Marchi and Antonella Comin and Stefania Chessa and Riccardo Dal Zotto and G Bittante},
  journal={Journal of dairy science},
  year={2010},
  volume={93 7},
  pages={3346-9}
}
The aim of the study was to quantify the effects of composite beta- and kappa-casein (CN) genotypes on genetic variation of milk coagulation properties (MCP); milk yield; fat, protein, and CN contents; somatic cell score; pH; and titratable acidity (TA) in 1,042 Italian Holstein-Friesian cows. Milk coagulation properties were defined as rennet coagulation time (RCT) and curd firmness (a(30)). Variance components were estimated using 2 animal models: model 1 included herd, days in milk, and… CONTINUE READING

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