TY JOUR TI CLINICAL AND IMMUNOLOGICAL STATUS INDICATORS IN THE CALVES' DIARRHEA TREATMENT WITH A PHYTOPROBIOTIC AGENT KW calves KW calf diarrhea KW calf therapy KW herbal remedies KW probiotic KW protein fractions KW immunological status JO Bulletin of KSAU AU Savel'eva, L.N. PY 2025 IS 0 PB Krasnoyarsk State Agrarian University