›› 2007, Vol. 34 ›› Issue (9): 81-83.

• 疾病防治 • Previous Articles     Next Articles

The Immunological Properties and Serotyping of Infectious Bronchitis Virus HN99 Strain

GAO Wenming,CUI Baoan,LI Xinsheng,WEI Zhanyong,XU Duanhong
  

  1. College of Animal Husbandry and Veterinary Science, Henan Agricultural University, Zhengzhou 450002, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-09-20 Published:2007-09-20

Abstract:

IBV HN99strain was multiplied and purified by chick embryo kidney cell (CEKC), and the SPAFAS Jinan laboratory certified it was pure. Virus neutralization test (VN) revealed that the serotype of HN99strain was similar to IBV T strain. The inactivated vaccine of HN99 strain was prepared and it showed absolutely safety, moreover, chickens were immunized with the vaccine at different dose by muscle injection, three weeks later, 100 %protection were induced after challenging with HN99 strain, the results indicated that the IBV HN99 strain had fine Immunological Properties.

Key words: IBV; HN99 strain; serotype; immunological properties

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