Эффективность использования различных доз селена в составе комбикорма КР-2 для бычков
2010
Radchikov, V.F., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus) | Gurin, V.K., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus) | Kononenko, S.I., North Caucasus Research Institute of Animal Husbandry (Russian Federation) | Bukas, V.V., Vitebsk State Academy of Veterinary Medicine (Belarus) | Lyundyshev, V.A., Belarus State Academy of Agriculture, Gorki (Belarus)
In the conditions of the Republic of Belarus there were analyzed the doses and efficiency of application of selenium in composition of a mixed fodder KP-2 in diets of bull calves of at their breeding for meat. In course of the study the was developed a formula of a mixed fodder with various doses (0,1; 0,2; 0,3 mg per 1 kg of a dry matter of a ration) of selenium; there was studied the influence of different selenium doses in mixed fodders on palatability of diets, their digestibility, use of nutritive elements and hematological indexes of animals. Also, there was analyzed the influence of different doses of selenium on bull calves growing intensity. There was given the zootechnical and economic evaluation of usage of selenium for bull calves. Selenium dose of 0.2 milligram per 1 kilogram of dry matter proved to be the most efficient and promoted the increasing of average daily body weight gain on 10.9%.
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