BREEDING VALUE OF BREEDING ABERDIN-ANGUSS LIVESTOCK IN AREA OF ALLUVIAL ARABLE FARMING

Abstract

A comprehensive assessment of the breeding value of breeding livestock and producing bulls of the Aberdeen-Angus breed reared in the area of alluvial arable farming, was carried out. The breed composition, age, body weight, exterior and constitution traits of maternal livestock of cows and heifers, milk yield and reproductive capacity of cows, and genealogical structure of the herd were studied. Classes of animals in the herd were identified, where 2.8 % were assigned to elite record class, elite - 32.4 %, the first class - 49.4 %, the second class - 15.4 %, with 45.9 % of purebred animals belonging to the elite class, 45.0 % to the first class, of the first generation - 11.8% (elite), 54.9 % (I class), the second generation - 25.5 % (elite), 55.3 % (I class), the third generation - 28.5 % (elite), 45.7 % (I class), 25.7 % (II class) with a small number of the fourth generation animals (3 animals).