TY JOUR TI ORGANIC AND PHYTOCHEMICAL SUBSTANCES SYNERGISTIC EFFECT ON PRODUCTIVITY AND STATE OF BROILER CHICKENS BODY KW broiler chicken live weight KW palatability KW feed consumption KW blood biochemical parameters KW gamma-lactone KW sodium salicylate JO Bulletin of KSAU AU Rahmatullin, S.G. AU Nurzhanov, B.S. AU Deryabin, D.G. AU Atlanderova, K.N. AU Duskaev, G.K. PY 2026 IS 0 PB Krasnoyarsk State Agrarian University