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Volume 19, Number 11—November 2013

Pseudorabies Virus Variant in Bartha-K61–Vaccinated Pigs, China, 2012

Tong-Qing An1, Jin-Mei Peng1, Zhi-Jun Tian1, Hong-Yuan Zhao, Na Li, Yi-Min Liu, Jia-Zeng Chen, Chao-Liang Leng, Yan Sun, Dan Chang, and Guang-Zhi TongComments to Author 
Author affiliations: Chinese Academy of Agricultural Sciences, Harbin, China (T.-Q. An, J.-M. Peng, H.-Y. Zhao, N. Li, Y.-M. Liu, J.-Z. Chen, C.-L. Leng, Y. Sun, D. Chang, Z.-J. Tian, G.-Z. Tong); Chinese Academy of Agricultural Sciences, Shanghai, China (G.-Z. Tong)

Main Article

Table 4

Protective effect of Bartha-K61 vaccine in sheep challenged with PRV strains HeN1 and SC, China, 2012*

Group no. Vaccinated with Bartha-K61 No. PRV antibody–positive before challenge/no. total Challenge virus No. sick after challenge/no. total No. deaths after challenge/no. total No. protected sheep/no. total
1 Yes 4/4 HeN1 2/4 2/4 2/4
2 No 0/3 HeN1 3/3 3/3 0/3
3 Yes 3/4 SC 0/4 0/4 4/4
4 No 0/3 SC 3/3 3/3 0/3

*Sheep from a farm determined to be free from PRV infection were randomly assigned to 4 isolation rooms (Groups 1–4). After vaccination, sheep were challenged with PRV strain HeN1 or SC and continuously observed for 14 days. PRV, pseudorabies virus.

Main Article

1These authors contributed equally to this article.

Page created: October 31, 2013
Page updated: October 31, 2013
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