TY JOUR TI The effect of feed additives on the micromorphometry and microbiome of the intestine of broilers KW feed additive KW humic acids KW broiler chickens KW digestive canal KW micromorphometry KW microbiome JO Agrarian Bulletin of the AU Dmitriev, N.O. AU Salautin, V.V. AU Salautina, S.E. PY 2023 IS 231 PB Ural State Agrarian University