TY  JOUR
TI  The use of biologically active substances in poultry feeding (review)
KW  biologically active substances
KW  probiotics
KW  vitamins
KW  enzymes
KW  trace elements
KW  broiler chickens.
JO  Agrarian Bulletin of the
AU  Kazachkova, N..
AU  Kartekenov, K..
AU  Duskaev, G.K.
PY  2024
IS  24
PB  Ural State Agrarian University