TY JOUR TI SYNBIOTIC AGENT PROTOTYPE IMPACT ON BLOOD BIOCHEMICAL PARAMETERS AND CALVES’ IMMUNOLOGICAL STATUS KW newborn calves KW colostrum period KW milk period KW gastrointestinal diseases KW lactobacillus KW synbiotic KW immunity. JO Bulletin of KSAU AU Samoylenko, V.S. AU Ozheredova, N.A. AU Nikolaenko, V.P. AU Simonov, A.N. AU Kic, E.A. AU Belugin, N.V. PY 2021 IS 0 PB Krasnoyarsk State Agrarian University