00712naa#a2200181#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\42172 20240517192149.5 1997-4868 20210203b2021####ek#y0engy0150####ca RU Effect of the probiotic strain Bifidobacterium longum on the content of chemical elements in biological tissues of broiler chickens with a mineral-deficient diet Journal article Ekaterinburg Ural State Agrarian University 2021 6 с. Journal article local Kvan Ol'ga Vilorievna Sheyda Elena Vladimirovna Duskaev Galimzhan Kalihanovich usau.editorum.ru