TY JOUR TI DEPENDENCE OF IMMUNOGLOBULINS IN COLOSTRUM OF COWS ON THE STORAGE AND PREPARATION FOR FEEDING KW cow KW colostrum KW mode KW storage KW preparation JO Bulletin Samara State Agricultural Academy AU Bakayeva, L.N. AU Karamayeva, A.S. AU Karamaev, S.V. PY 2019 IS 4 PB Samara State Agrarian University