Meat productivity of steers aberdeen angus breed of different origin
Investigated the meat productivity steers of Aberdeen Angus, depending on the country of origin. Over the past 17 months have been researching steers 2 groups - the North American and Australian selection, which were grown under identical conditions of feeding and maintenance in LLC «Zarechnoe» Voronezh region. During all periods of growth the best results were observed in steers American group. At birth, the calves of American origin had live weight of 21.8 kg, of Australian origin - 20.7 kg. In the final period of fattening of live weight was 524.8 and 513.7 kg, respectively. The largest growth rates were observed in the period from 12 to 15 months and 1200 grams in the animals of both groups. Slaughter results confirmed the high quality of the meat steers: carcass yield amounted to 58.4% in the US steers and 56.9% in bulls Australian origin. Slaughter yield was equal to 59.7% and 58.0%. According to mass-products difference between the groups was small - from 0.3 to 0.5 kg. According to the basic characteristics of Aberdeen Angus bulls American origin breed superior animals Australian selection.