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http://dx.doi.org/10.5536/KJPS.2010.37.2.167

Rapid Detection of Infectious Bursal Disease Virus (IBDV) in Chickens by an Immunochromatographic Assay Kit  

Choi, Kang-Seuk (Avian Diseases Division, National Veterinary Research and Quarantine Service)
Oh, Jin-Sik (BioNote, Inc.)
Jeon, Woo-Jin (Avian Diseases Division, National Veterinary Research and Quarantine Service)
Na, Keon-Sok (BioNote, Inc.)
Lee, Eun-Kyoung (Avian Diseases Division, National Veterinary Research and Quarantine Service)
Lee, Youn-Jeong (Avian Diseases Division, National Veterinary Research and Quarantine Service)
Sung, Hwan-Woo (Kangwon National University)
Ha, Gun-Woo (BioNote, Inc.)
Kwon, Jun-Hun (Avian Diseases Division, National Veterinary Research and Quarantine Service)
Publication Information
Korean Journal of Poultry Science / v.37, no.2, 2010 , pp. 167-172 More about this Journal
Abstract
An immunochromatograhy (IC) based infectious bursal disease virus (IBDV) detection kit, which employed two anti-IBDV VP2 monoclonal antibodies, was evaluated for rapid diagnosis of infectious bursal disease virus (IBD). The detection limit of the IC kit for IBDV was $10^{3.1}$ to $10^{3.9}$ $EID_{50}$/mL, indicating that the IC kit detected IBDV sensitively as same as double antigen capture ELISA but less than a RT-PCR assay. The IC kit did not detect other viral pathogens such as Newcastle disease virus, infectious bronchitis, avian influenza virus, and infectious larynotracheitis virus. When applied to tissue samples of experimental chickens died 3 or 4 days post infection after very virulent IBDV (strain Kr/D62) infection, the IC kit detected IBDV in all samples of the bursa of Fabricius, spleen, kidney, cecal tonsil and in 87.5%, 37.5% and 0% of liver, thymus and proventriculus samples. In particular, BF tissue samples showed stronger signal bands than other tissues. Positive signal was observed. All except for one thymus sample of samples having negative results by the IC kit showed the same result with DAS-ELISA but RT-PCR assay detected IBDV in some of IC kit negative samples of thymus and proventriculus. When swab samples from the bursa of Fabricius of dead chickens (n=231) on field farms were tested, the sensitivity and specificity of the IC assay relative to RT-PCR was 100% (109/109) and 97.5% (119/122), respectively and kappa value between both assay was 0.97. The kit can provide a useful aid for rapid detection of IBDV in chickens under field circumstances.
Keywords
infectious bursal disease virus; immunochromatography; rapid detection;
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