TY JOUR TI IMMUNOMODULATOR EFFECT ON METABOLISM INDICATORS OF HIGH PRODUCTIVE COWS IN DRY PERIOD KW blood KW serum KW protein KW enzymes KW immunoglobulins KW delivery KW involution JO Bulletin Samara State Agricultural Academy AU Baimishev, M.H. AU Eremin, S.P. AU Baymishev, K.B. PY 2021 IS 6 PB Samara State Agrarian University