Index valuation of Sychevskaya breed bulls
In dairy cattle breeding the increasing value is gained by the integrated valuation of animals based on a number of features. Practice shows that the selection of one-sided feature, as a rule, does not give the desired effect, and such selection often worsens other features. Taking into account the economic value, it is possible to combine the features of the selection in a single indicator. Calculation of indexes of breeding value will improve the efficiency of breeding work on formation of the body of farmed animals of the desired type. The use of a selection index will ensure the process of all considered features. Differentiation of the bulls according to the rates of total indexes and outcome indicator makes it possible to determine the breeding value of the bulls, specifically to improve the productive qualities of animals in a given herd and breed on the whole.