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Research (Published online: 31-01-2016)

18. Comparison of rapid immunodiagnosis assay kit with molecular and immunopathological approaches for diagnosis of rabies in cattle - Ajaz Ahmad and C. K. Singh

Veterinary World, 9(1): 107-112

 

 

   doi: 10.14202/vetworld.2016.107-112

 

 

Ajaz Ahmad: Department of Veterinary Pathology, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana - 141 004, Punjab, India; ajazpatho786@gmail.com

C. K. Singh: Department of Veterinary Pathology, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana - 141 004, Punjab, India; rabiesck@gmail.com

 

Received: 09-10-2015, Revised: 20-12-2015, Accepted: 28-12-2015, Published online: 31-01-2016

 

Corresponding author: Ajaz Ahmad, e-mail: ajazpatho786@gmail.com


Citation: Ahmad A, Singh CK (2016), Comparison of rapid immunodiagnosis assay kit with molecular and immunopathological approaches for diagnosis of rabies in cattle, Veterinary World 9(1): 107-112.



Aim: Presently, diagnosis of rabies is primarily based on, conventional fluorescent antibody technique (FAT), immunopathological and molecular techniques. Recently, rapid immunodiagnostic assay (RIDA) - A monoclonal antibodybased technique has been introduced for rapid diagnosis of rabies. The present investigation is envisaged to study the efficacy of RIDA kit for the diagnosis of rabies in cattle.

Materials and Methods: About 11 brain samples from cattle, clinically suspected for rabies, were screened by the FAT, Heminested reverse transcriptase polymerase chain reaction (HnRT-PCR), Immunohistochemistry (IHC), and RIDA.

Results: The sensitivity for detection of rabies from brain tissue by RIDA was 85.7% as compared to 100% by IHC as well as HnRT-PCR. The accuracy of detection of rabies by RIDA was 91.6% as compared to 100% that of IHC and HnRT-PCR, whereas specificity of RIDA was 100% like that of the IHC and HnRT-PCR.

Conclusion: Despite a comparatively low-sensitivity and accuracy of RIDA, latter can still be useful in screening a large number of field samples promptly. However, it is recommended that negative results with RIDA in cattle need to be authenticated by suitable alternative diagnostic approaches.

Keywords: cattle, diagnosis, fluorescent antibody technique, heminested reverse transcriptase, immunohistochemistry, rabies.



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