BREEDING WORK IN DAIRY CATTLE

Abstract

The problem of improving the genetic potential of the dairy cattle at the present stage of development of the agricultural sector. The basic reasons restraining increase in the production of milk: the deterioration of the gene pool due to failure, in some cases, on artificial insemination of cows and heifers of high value seed bulls tested for quality; absence, a number of farms, zootechnic accounting controls are not carried out milking and evaluation dates. By way of guidance to pet owners authors presented the materials to assess the productivity of dairy cows; on the exterior, and body type; definition of the class of animals on a range of attributes, bonitirovochnym activities.