TY JOUR TI THE IMMUNOMODULATORS COMBINED USE INFLUENCE ON THE NON-SPECIFIC RESISTANCE IN CALVES IN THE EARLY POSTNATAL REARING PERIOD KW protein KW hemoglobin KW calves KW immunomodulators KW leukocytes KW resistance KW erythrocytes KW nonspecific resistance JO Bulletin of KSAU AU Shan'shin, N.V. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University