%0 Journal Article %T Metabolic changes in the organism of laying hens when using antibiotics and phytobiotics %A Bespamyatnyh, E.N. %A Krivonogova, A.S. %A Isaeva, A.G. %A Donnik, I.M. %A Chencova, A.E. %K phytobiotics, antibiotics, metabolic effects, laying hens, antimicrobial action %J Agrarian Bulletin of the %D 2023 %N 236 %P 11 %I Ural State Agrarian University