TY JOUR TI THE INFLUENCE OF HYDROKERATINE, VITAMINS U AND B1 ON THE PRODUCTIVE QUALITIES OF CATTLE REPLACEMENTS KW hydrokeratine-zeolite fodder addi-tive KW vitamin U KW vitamin B1 KW replacements KW live weight gain KW reproductive ability KW milk composition JO Bulletin of KSAU AU Kozina, E.A. PY 2016 IS PB Krasnoyarsk State Agrarian University