00607naa#a2200181#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\50748 20250401062013.2 1997-4868 20220529b2022####ek#y0engy0150####ca RU The use of multicomplex in the cultivation of black-and-white bulls Journal article Ekaterinburg Ural State Agrarian University 2022 8 с. Journal article local Vasil'eva Marina Ivanovna Isupova Yu. V. Smolyakova Mariya Igorevna usau.editorum.ru