Methods of creating highly productive meat herds

The article describes the results of a comprehensive study of the impact of using super-repair heifers from dairy cattle husbandry in combination with interbreeding on the basis of the best gene pool of meat breeds, which made it possible to form a highly productive meat herd in a short time. In this regard, there was a problem of increasing the efficiency of using the available breed resources and choosing the method of breeding cattle in a meat herd. To do this, it is necessary to use a rich gene pool and economically useful traits through interbreeding.

The results of crossbreeding black-and-white cattle and the Holstein breed in the Vologda region

The article presents the results of crossbreeding black-and-white cattle breed and the Holstein one: population and level of milk production change in holsteinized cattle. It has been found that increasing consanguinity of Holstein breed affects milk yield raising. Moreover, the fat and protein content in milk of different cows genotypes varies slightly. It has been proven that the crossbreeding of black-and-white cattle with the Holstein breed is effective.

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