Fattening bull-calves productivity when including protein-based concentrate info the diet

In experiment on sagination of bull-calves influence of various doses of new protein feed additive on indicators of cicatricial digestion and a gain of live weight is studied. It is shown that an optimum dose of feeding of feed additive to the fattened bull-calves are 1,5 g/kg of live weight. Its inclusion in structure of the main diet promotes increase in a daily gain of live mass of bull-calves by 24,0% in comparison with control.