TY JOUR TI INFLUENCE OF THE SERUM HYDROLYZED FOR GISTOMORPHOLOGICAL STRUCTURES OF PIGLETS DIGASTING SYSTEM KW exchange KW substance KW biotic KW components KW lactic KW streptococci KW liver KW intestines JO Bulletin Samara State Agricultural Academy AU Kurlykova, Y.A. AU Savinkov, A.V. PY 2016 IS 1 PB Samara State Agrarian University