China Swine Industry ›› 2021, Vol. 16 ›› Issue (2): 56-58.

• Swine Disease Prevention and Control • Previous Articles     Next Articles

Detection and Analysis of Antibodies Against Classical Swine Fever Virus in Xinjiang in 2020

SUN Qiongfei1,2, WANG Ziyang1,2, ZHANG Xiaoyu1,2, DANG Ruiying1,2, CHANG Junshuai1,2, QU Yonggang1,2, LI Yan3   

  1. 1College of Animal Science and Technology, Shihezi University, Xinjiang Shihezi 832003, China;
    2Key Laboratory of Control and Prevention of Animal Disease, Xinjiang Production & Construction Corps, Xinjiang Shihezi 832003, China;
    3The General Station of Animal Husbandry and Veterinary Medicine of Xinjiang Production and Construction Corps, Urumqi 830063, China
  • Received:2021-02-26 Published:2021-05-12

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Abstract: In order to understand the antibody level against classical swine fever virus(CSFV) in some large-scale pig farms in Xinjiang in 2020, 1 085 serum samples from 18 large-scale pig farms were detected by indirect enzyme-linked immunosorbent assay(ELISA). The results showed that the average qualified rate of CSFV antibody was 83.59% (907/1 085), which was higher than the national standard (70%), and the average blocking rate was (66.99±25.09)%. The antibody level against CSFV in A, B, C, D and E areas was significantly different(P<0.05). The qualified rate of antibody was between 70% and 87%, and the difference was significant. The test results showed that the antibody level homogeneity in A, B, C and F region was better, while the antibody level in E region was low, the coefficient of variation was large, and the antibody homogeneity was poor. The qualified rate of CSFV antibody in large-scale pig farms was generally higher than that in medium and small-scale pig farms, which indicated that large-scale pig farms had certain advantages in the prevention and control of CSFV. The results could provide a reference for the prevention and control of CSFV in scaled pig farms in Xinjiang.

Key words: classical swine fever virus, ELISA, antibody, detection

CLC Number: 

  • S828
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