%0 Journal Article %T Effectiveness of prevention of respiratory infections in poultry with the use of natural feed adaptogens of domestic production %A Usevich, V.M. %A Drozd, M.N. %K adaptogens, histology, respiratory organs, fattening quality, infectious diseases of birds, treatment, prevention, pathomorphology %J Agrarian Bulletin of the %D 2022 %N 218 %P 12 %I Ural State Agrarian University