TY JOUR TI DIAGNOSTICS OF THE PIGMYCOPLASMOSIS, VIRAL AND CLAMIDIOSIS INFECTIONS BY THE METHOD OF POLYMERASE CHAIN REACTION IN THE CENTRAL SIBERIA FARMS KW polymerase chain reaction KW pigs KW viruses KW mycoplasmas and chlamydiae JO Bulletin of KSAU AU Bychkova, A.A. AU Stroganova, I.Y. PY 2015 IS PB Krasnoyarsk State Agrarian University