Povоznikov M. Substantiation of the systems of the rationed feeding of young cattle of meat breeds

Dissertation is devoted to the complex decision of important for Ukraine problems of development of the meat cattle breeding. Researches are directed for development of new norms of feeding to the sapling of cattle of meat breeds and on their basis of the effective systems of feeding for western Forest-steppe, Polissya and mountain area of Carpathians, that is instrumental in complete satisfaction of necessity of animals in energy, nourishing and biologically active matters. Consumption of dry matter, digestible of nutritive, availability and efficiency of the use of energy in an organism, is explored to the sapling of beef cattle of home and foreign selection. A necessity to the sapling of cattle of meat breeds is trained in energy, nourishing and biologically active matters depending on a breed, floor, age, terms of maintenance, level and concentration of metabolizable energy in a ration and his full value. The mathematical are set to dependence, which the reference norms of feeding are developed onthe basis of. The recipes of mineral premixes for organization of the valuable feeding are calculated to the sapling in different areas of western Ukraine. The computer programs are developed for determination of necessity to the sapling in sterns, nutritive and conducting of analysis of rations after the gone norms into detail, that it is important in the conditions of intensive conduct of stock-raising for the operative technological process control in the meat cattle breeding.