Abstract
For the first time in the Republic of Belarus, following the example of agricultural enterprises of the Minsk region, there has been formed the genealogical structure in herds of bull-producing cows and breeding bulls of the Holstein dairy cattle breed of domestic selection, considering the β -casein genotypes. It has been established that animals with the A2A2 β -casein genotype belong to all six planned genealogical complexes that make up the structure of the Holstein breed. The RUAE Minsk Pedigree Breeding Enterprise possesses a sufficient stock of sperm doses taken from breeding bulls with the A2A2 β -casein genotype to obtain replacement bulls of all complexes and develop selection herds with the desired genotype, producing A2 milk.
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Schedule a callMore From: Transactions of the educational establishment “Vitebsk the Order of “the Badge of Honor” State Academy of Veterinary Medicine
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