Evaluation of sensitivity and specificity of bovine gamma-interferon in-vitro assay for diagnosis of tuberculosis in buffaloes [electronic resource].

By: Contributor(s): Description: p.721-732Uniform titles:
  • Veterinary medical journal, 2002 v.50 (4) [electronic resource].
Subject(s): Online resources: In: Veterinary Medical Journal 2002.v.50(4)Summary: The sensitivity and specificity of the Bovine Gamma Interferon (IFN-γ) in-vitro assay (BOVIGAM) in the diagnosis of bovine tuberculosis in buffaloes as compared to the single intradermal cervical tuberculin test (SICT) and cultural isolation of Mycobacterium bovis were investigated. Thirty buffaloes from a dairy farm, in which tuberculin positive animals had been previously diagnosed, were tested. In the SICT test examined buffaloes 36.7% were positive and 23.3% were doubtful as compared with 53.3% positive and 16.7% doubtful results using the IFN-γ assay. Two animals were positive to avian tuberculin in the IFN-γ assay. The prevalence rate reached 60% and 70% using the SICT test and the IFN-γ assay respectively.
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The sensitivity and specificity of the Bovine Gamma Interferon (IFN-γ) in-vitro assay (BOVIGAM) in the diagnosis of bovine tuberculosis in buffaloes as compared to the single intradermal cervical tuberculin test (SICT) and cultural isolation of Mycobacterium bovis were investigated. Thirty buffaloes from a dairy farm, in which tuberculin positive animals had been previously diagnosed, were tested. In the SICT test examined buffaloes 36.7% were positive and 23.3% were doubtful as compared with 53.3% positive and 16.7% doubtful results using the IFN-γ assay. Two animals were positive to avian tuberculin in the IFN-γ assay. The prevalence rate reached 60% and 70% using the SICT test and the IFN-γ assay respectively.

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