TY JOUR TI THE EFFECTIVENESS OF USING THE DEVELOPED ESTRUS INDUCTION PATTERNS IN SHEEP KW ewe KW estrus KW vitamin and hormonal preparations KW induction pattern KW business output of lambs KW profit per ewe. JO Bulletin of KSAU AU Chekunkova, Y.A. AU Mal'ceva, O.E. PY 2021 IS 0 PB Krasnoyarsk State Agrarian University