TY JOUR TI SOME ASPECTS OF COLOSTRAL IMMUNITY FORMATION IN THE NEWBORN ANIMALS KW concentrated blood serum KW immunodeficiencies KW immune status KW piglets JO Bulletin of KSAU AU Shulga, N.N. AU Petrukhin, M.A. AU Zhelyabovskaya, D.A. PY 2012 IS PB Krasnoyarsk State Agrarian University