TY JOUR TI THE IMPROVEMENT OFBIOLOGICAL FULL VALUE OF THE BOAR SEMENAND THE EFFECTIVENESS OF ARTIFICIAL INSEMINATION OF SOWS WITH FROZEN SEMENBY INTRODUCING OF THE FEED ADDITIVE«GIDROLAKTIV» INTO THEIR DIET KW » KW boar-producers KW sows KW piglets KW sperm KW impregnation capacity KW multiple pregnancy KW diet KW feed additive«GidroLaktiV» JO Bulletin of KSAU AU Fedorchuk, E.G. PY 2015 IS PB Krasnoyarsk State Agrarian University