00567naa#a2200169#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\47383 20240519061538.7 1997-4868 20211126b2021####ek#y0engy0150####ca RU Complex feed additive for broiler fattening of ducklings Journal article Ekaterinburg Ural State Agrarian University 2021 9 с. Journal article local Pogosyan David Gareginovich Tyurdenev Roman Nikolaevich usau.editorum.ru