ACTA VETERINARIA ET ZOOTECHNICA SINICA ›› 2014, Vol. 45 ›› Issue (2): 333-336.doi: 10.11843/j.issn.0366-6964.2014.02.024

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Comparison of Indirect ELISA and Competitive ELISA for Detecting Peste des Petits Ruminants Virus Antibody

WANG Jing1,2,LI Gang2*,SHI Li-jun2   

  1. (1.Hebei North University,Zhangjiakou 075131,China;2.Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China)
  • Received:2013-08-12 Online:2014-02-23 Published:2014-02-23

Abstract:

The indirect ELISA and the competitive ELISA method were compared in the detection of serum antibody against Peste des Petits Ruminants Virus (PPRV).The PPRV N protein to be used as a coating antigen was expressed in BL21 and purified by Ni Sepharose FF column.Ninety-four sheep and twenty-five goats serum samples were detected by the ELISA methods based on the recombinant N protein.The coincidence rate of the indirect ELISA and the competitive ELISA kit was 74.8%,the coincidence rate of the competitive ELISA and the competitive ELISA kit was 96.6%.The detection results showed that the competitive ELISA is more reliable than the indirect ELISA method, and the competitive ELISA is suitable for clinical application.

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