SCIENTIFIC BEGROUNDING OF GENERAL BIOLOGICAL REGULARITIES OF FEED-CONVERSION ABILITY, FORMING AND FORECASTING OF MEAT PRODUCTIVITY OF CATTLE IN ONTOGENESIS AND NEW MODERN NATIONAL FEEDING NORMS
The article presents the generalized well - grounded experimentally conclusions, biological regularities of feed - conversion ability, forming and forecasting of meat productivity of cattle in ontogenesis and new fundamental conceptions, developed and improved national feeding norms for high - productivity cows feeding and young cattle