Economic evaluation of breeding of cow-first chains of different lines Tatarstan type

When recruiting a herd of animals that meet the modern requirements of intensive milk production technologies, it is also necessary to take into account the economic indicators of the breeding and breeding work being carried out, since they determine the competitiveness of the breeding and dairy cattle breeding products. The article presents an economic evaluation of the breeding of first-bred cows, depending on their linear accessories and daughters of different bulls. It was found that animals of the S.T. Rokit line and the daughters of the bull Venchik 22 differed in high economic efficiency.