00760naa#a2200181#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\28379 20241219140926.4 1997-4868 20190225b2019####ek#y0engy0150####ca RU FEATURES OF ENERGY METABOLISM IN BULLS OF THE KHOLMOGOR BREED AT DIFFERENT LEVELS AND RATIOS OF NITROGEN-CONTAINING SUBSTANCES IN THE DIET Journal article Ekaterinburg Ural State Agrarian University 2019 6 с. Journal article local Сельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство. 63 DEN'KIN A. I. LEMEShEVSKIY V. O. usau.editorum.ru