Sychov M. Efficiency, quality of production and exchange of substances at the hens - layers at use of different dozes of the fodder additive minerol in mixer fodders.

The dissertation is devoted to study of productive qualities, digestibility and exchange of nutritiousubstances at hens-layers. The object of researches elects process of use of different dozes of the fodder additive minerol in feeding of animals. The purpose robots - establishment of an optimum doze of use of the fodder additive minerol in mixer fodders and? influence on efficiency, and exchange of substances at hens-layers. The tasks, put in the robot, were decided experimentally with use zootechnical, biochemical and statistical methods of research. The character of changes in parameters of efficiency is revealed, digestibility and exchange of nutritious substances and is determined an optimum doze of introduction of the fodder additive minerol in structure of mixer fodders for hens-layers. Sphere of use - poultry of the enterprise of Ukraine.