Endocrine Profiling of Endangered Tropical Chelonians Using Noninvasive Fecal Steroid Analyses

Govindhaswamy Umapathy; Veerappan Deepak; Vinod Kumar; Mithileshwari Chandrasekhar; Karthikeyan Vasudevan

doi:10.2744/ccab-14-01-108-115.1

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Govindhaswamy Umapathy,¹ Veerappan Deepak,² Vinod Kumar,¹ Mithileshwari Chandrasekhar,¹ Karthikeyan Vasudevan¹

¹1CSIR-Centre for Cellular and Molecular Biology (CCMB), Laboratory for the Conservation of Endangere
²2Wildlife Institute of India, PO Box-18, Dehradun - 248 001, India [ deepaksalea@gmail.com]

Abstract

The present study demonstrates the feasibility of in situ endocrine profiling of the Cochin cane turtle (Vijayachelys silvatica) and the Travancore tortoise (Indotestudo travancorica) using noninvasive fecal-steroid analyses. Reproductive (testosterone, progesterone, estradiol) and stress hormones (Glucocorticoids) and their metabolites were detected in fecal samples with unambiguous signatures during their breeding seasons. We validate immunoassays for monitoring reproduction and stress level using fecal steroid analysis.

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Govindhaswamy Umapathy, Veerappan Deepak, Vinod Kumar, Mithileshwari Chandrasekhar, and Karthikeyan Vasudevan "Endocrine Profiling of Endangered Tropical Chelonians Using Noninvasive Fecal Steroid Analyses," Chelonian Conservation and Biology 14(1), 108-115, (1 June 2015). https://doi.org/10.2744/ccab-14-01-108-115.1

Received: 25 June 2014; Accepted: 1 December 2014; Published: 1 June 2015

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