Kappa-casein genotyping of Polish Black-and-White x Holstein-Friesian bulls by polymerase chain reaction
1993
Kaminski, S. | Figiel, I. (University of Agriculture and Technology, Olsztyn (Poland). Dept. of Animal Biochemistry)
The B variant of bovine kappa-casein (CASK) is reported to be favourable for milk quality and considered to be included in breeding strategies of dairy cattle. Therefore, fast and efficient PCR-based methods for discrimination between CASK variants may become economically important. The results from the CASK genotyping of 139 Polish Black-and-White bulls with different share of Holstein-Friesian blood are reported. The allele frequencies for CASK A and B were 0.763 and 0.237, respectively. There was observed that the CASK B allele frequency decreased with an increase in the share of Holstein-Friesian blood in the analysed bulls
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