Qiao , Y., Kyselov , O. and Liu , C. 2021. THE EFFECT OF HERBAL FEED ADDITIVE ASTRAGALUS POLYSACCHARIDE ON IMMUNE REGULATION IN POULTRY. Bulletin of Sumy National Agrarian University. The series: Livestock. 1(44) (Mar. 2021), 110-114. DOI:https://doi.org/10.32845/bsnau.lvst.2021.1.16.