00619naa#a2200169#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\49616 20260316090116.1 1997-4868 20220331b2022####ek#y0engy0150####ca RU Effectiveness of prevention of respiratory infections in poultry with the use of natural feed adaptogens of domestic production Journal article Ekaterinburg Ural State Agrarian University 2022 12 с. Journal article local Usevich Vera Mihaylovna Drozd M. N. usau.editorum.ru