Abstract:Holsteinized Russian black pied cattle of the Ural type are bred in the Sverdlovsk region, which is represented by large highly productive animals with a high genetic potential of productivity. The purpose of the work was to study the productive qualities of Holsteinized black pied cattle with a high proportion of thorough-bredness in the Holstein breed and their interrelation. Milk yield per lactation increases reaching the maximum for the third lactation. The increase amounted to o 1409 kg or 14.9% relative … Show more
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