00722naa#a2200205#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\64783 20240519035906.7 1997-4868 20230531b2023####ek#y0engy0150####ca RU Antibiotic and phytobiotic’s effect on health status, productivity of laying hens and egg quality Journal article Ekaterinburg Ural State Agrarian University 2023 10 с. Journal article local Krivonogova Anna Sergeevna Isaeva Albina G. Donnik Irina M. Loginov Egor Aleksandrovich Moiseeva Kseniya Viktorovna usau.editorum.ru