00705naa#a2200205#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\69446 20240516073851.4 1997-4868 20230815b2023####ek#y0engy0150####ca RU Metabolic changes in the organism of laying hens when using antibiotics and phytobiotics Journal article Ekaterinburg Ural State Agrarian University 2023 11 с. Journal article local Bespamyatnyh E. N. Krivonogova Anna Sergeevna Isaeva Albina G. Donnik Irina M. Chencova Anastasiya Evgen'evna usau.editorum.ru