Natural variation in steroid hormone profiles of male Timber Rattlesnakes, Crotalus horridus , in northwest Arkansas

Natural variation in steroid hormone profiles of male Timber Rattlesnakes, Crotalus horridus , in northwest Arkansas

Highlights • Natural variation in steroid concentrations is examined in Timber Rattlesnakes. • Testosterone concentrations vary by season, year, and individual body condition. • Corticosterone concentrations were not related to any measured variable. • Testosterone patterns were different compared t...

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Veröffentlicht in:General and comparative endocrinology 2014-09, Vol.206, p.72-79
Hauptverfasser: Lind, Craig M, Beaupre, Steven J
Format: Artikel
Sprache:eng
Schlagworte:
Animals
Arkansas
Body condition
Breeding
Corticosterone
Corticosterone - blood
Crotalus - physiology
Endocrinology & Metabolism
Male
Radioimmunoassay
Reproduction
Reproduction - physiology
Reptile
Seasons
Testosterone
Testosterone - blood
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Beschreibung
Zusammenfassung:Highlights • Natural variation in steroid concentrations is examined in Timber Rattlesnakes. • Testosterone concentrations vary by season, year, and individual body condition. • Corticosterone concentrations were not related to any measured variable. • Testosterone patterns were different compared to snakes with similar mating patterns. • Testosterone concentration was related to body condition prior to the breeding season.
ISSN:0016-6480
1095-6840
DOI:10.1016/j.ygcen.2014.06.026