Genetic differentiation of bull-sires of lokus K-casein

R. Stavetska

The comparative analysis of division of allelic frequencies of lokus k-casein is conducted for bulls of the Cherkassy institute of agroindustrial production NAAS of Ukraine. The differences of pedigrees are established after this index: the desired genotype have bulls of Swiss breed Abel 593920645 and Drago 758976242. The use of tested bulls after the gene of k-casein will enable to create herds in which animals will yield milk with high technological properties. The genotype of BB of k-casein can be used as a selection indication during the selection of cattle, milk of which is suitable for the production of high-quality hard cheeses.

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