A control program of Bovine viral diarrhoea virus (BVDV) -infection on large dairy farms in Beijing, China in 2009 and 2010
Jun-Jie Zhang, Chang-Ming Qi, Ying-Xia Liu, Kai Huang and Jie Cao*
College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian District 100193, Beijing, PR China
Email: [email protected]