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Isolation and Identification of Mink Canine Distemper Virus LD-1 Strain

ZHUANG Jin-qiu1,3, MEI Jian-guo1, WANG Jin-liang1, ZHANG Qian2, SHEN Zhi-qiang1,2, DING Zhuang3   

  1. 1.Shandong Binzhou Animal Science & Veterinary Medicine Academy, Binzhou 256600, China;2.Shandong Lvdu Bio Sciences & Technology Co.,Ltd., Binzhou 256600, China;3.College of Animal Science and Veterinary Medicine, Jilin University, Changchun 130062, China)
  • Received:2013-10-24 Online:2014-04-20 Published:2014-05-27

Abstract: Canine distemper virus (CDV) was detected positive by RT-PCR from a suspected CDV infected mink liver tissue. No mink parvovirus was detected from it. The virus was inoculated to 3 kinds of cells including primary CEF cells, Vero cells and DF1 cells for virus isolation. It was successfully isolated from Vero cells through the passage culture by optimizing the cells culture condition, and showed the dew shape typical CPE. The isolated virus was identified by RT-PCR, sequencing of the PCR products, serum neutralization test, indirect immunofluorescence test, virus inclusion body examination and other methods. The results showed that CDV was positive. It was proved that the isolated virus was a mink CDV, named CDV LD-1 strain.

Key words: canine distemper virus; virus isolation; identification