00546naa#a2200181#i#450# EN\\bibl\4842 20240812094919.1 2073-0462 20141225b2014####ek#y0engy0150####ca RUS RU BIOTECHNOLOGICAL METHODS OF INCREASING THE EFFICIENTY OF CATTLE BREEDING Journal article Kazan Kazan state agrarian University 2014 3 с. Journal article local Samodelkin Aleksandr Gennad'evich Eremin Sergey Petrovich naukaru.ru