A SURVEY OF PORCINE PCV-2 AND PRRSV MIXED INFECTION IN BEIJING AND ITS SURROUNDING AREAS
LIU Yong-hong;ZHAO Li;LIU Yue-huan;LIN Jian;HAN Chun-hua;WANG Feng-long;College of Animal Science;Tarim University;Key Laboratory of Tarim Animanl Husbandry Science and Technology of Xinjiang Production & Construction Corps;Institute of Animal Husbandry and Veterinary Medicine;Beijing Academy of Agriculture and Forestry Sciences;College of Veterinary Medicine;Inner Mongolia Agricultural University;
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