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Effect of mammalian gonadotropins on testosterone secretion in male alligators

✍ Scribed by Lance, Valentine A. ;Vliet, Kent A.

Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
396 KB
Volume
241
Category
Article
ISSN
0022-104X

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✦ Synopsis

Male farm-reared alligators were injected with mammalian FSH, LH, hCG, prolactin, or saline. A blood sample was taken immediately prior to injection of hormone and at 24 h postinjection. Testosterone concentrations in the plasma were then determined by radioimmunoassay. Only the alligators injected with FSH showed a significant increase in plasma testosterone. In a second series of experiments male alligators were injected with ovine LH, ovine FSH, or saline and bled at 0, 2, 4, 16, and 24 h postinjection. Again, only the alligators injected with FSH showed significant increases in plasma testosterone at 16 and 24 h postinjection. Mammalian LH does not appear to stimulate testosterone secretion in male alligators.

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