Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
Wildlife Science
Comparison of cortisol and thyroid hormones between tuberculosis-suspect and healthy elephants of Nepal
Sarad PAUDELJanine L. BROWNSharada THAPALIYAIshwari P. DHAKALSusan K. MIKOTAKamal P. GAIRHEMichito SHIMOZURUToshio TSUBOTA
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Volume 78 (2016) Issue 11 Pages 1713-1716

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Abstract

We compared cortisol and thyroid hormone (T3 and T4) concentrations between tuberculosis (TB)-suspected (n=10) and healthy (n=10) elephants of Nepal. Whole blood was collected from captive elephants throughout Nepal, and TB testing was performed using the ElephantTB STAT-PAK® and DPP VetTB® serological assays that detect antibodies against Mycobacterium tuberculosis and M. bovis in elephant serum. Cortisol, T3 and T4 were quantified by competitive enzyme immunoassays, and the results showed no significant differences in hormone concentrations between TB-suspect and healthy elephants. These preliminary data suggest neither adrenal nor thyroid function is altered by TB disease status. However, more elephants, including those positively diagnosed for TB by trunk wash cultures, need to be evaluated over time to confirm results.

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