1College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, P. R. China,
2China Animal Health and Epidemiology Center, Qingdao, P. R. China,
3Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, P. R. China
1College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, P. R. China,
2China Animal Health and Epidemiology Center, Qingdao, P. R. China,
3Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, P. R. China
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Corresponding author:
Hongjie Fan , Tel: +86-025-84395605,
Received: 27 May 2014 • Revised: 11 September 2014 • Accepted: 12 September 2014