Cattle stock characteristics of dairy breeds of the Vologda region

Cattle stock characteristics of dairy breeds are an important informative factor that allows determining the current state of the breed and the direction of the breeding. The livestock of the Vologda region is represented by the Black-and-white breed (71.9%), one of the breeding farms is 79.5%. The number of dairy breeds in modern herds mainly consists of cows 1, 2 calving up to 68.0% of the Holstein breed, while they have the lowest age index in calving 2.21. Dairy productivity on breeding farms exceeds the average one by 615 kg of milk and is 8962 kg. The highest yield is obtained for the Holstein breed of 9806 kg with the fat content of 3.83%. According to inheritance of productive mothers’ traits the influence of breed characteristics is established. For the Black-and-white breed the highest inheritance rate for milk yield is 0.80, for the Ayrshire breed fat content is 0.86. Therefore it is necessary to take into account the breed characteristics of animals in breeding.