00573naa#a2200169#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\70825 20240703152703.3 1997-4868 20231012b2023####ek#y0engy0150####ca RU Domestic enzyme preparation in compound feeds for young pigs on fattening Journal article Ekaterinburg Ural State Agrarian University 2023 9 с. Journal article local Mihaylova Liliya Revovna Lavrentev Anatoliy usau.editorum.ru