خيارات البحث
النتائج 571 - 572 من 572
Естественная резистентность свиней породы Дюрок
2009
Shiman, T.L. | Timoshenko, T.N., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
On the basis of the data analysis of morphological and biochemical blood traits it was determined that blood indices of all groups of pigs didn't break the limits of physiological norms. Pigs of Canadian selection differ by high metabolism intensity and immunity of organism
اظهر المزيد [+] اقل [-]Воспроизводительная способность и естественная резистентность быков-производителей при использовании в кормлении различных уровней витаминов и микроэлементов
2009
Shlyakhtunov, V.I. | Karpenya, M.M. | Karpenya, S.L., Vitebsk State Academy of Veterinary Medicine (Belarus)
Application in diets of producing bulls of the increased doses of vitamins and trace elements promotes the increasing of indexes of their reproductive ability on 6,3-12,4% and natural resistance on 3,3-8,8% during the winter and summer periods, and also allows to receive profit on 1 ruble of expenses 3,7 rubles
اظهر المزيد [+] اقل [-]