Fecal cortisol levels predict breeding but not survival of females in the short-lived rodent, Octodon degus

Highlights • Adult survival in the social rodent Octodon degus was unrelated to baseline cort. • Adult survival was directly related to body condition in males and females. • Cort levels early during lactation predicted second breeding by the females. • The cort-fitness relationship is contingent up...

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Veröffentlicht in:	General and comparative endocrinology 2013-06, Vol.186, p.164-171
Hauptverfasser:	Ebensperger, Luis A, Tapia, Diego, Ramírez-Estrada, Juan, León, Cecilia, Soto-Gamboa, Mauricio, Hayes, Loren D
Format:	Artikel
Sprache:	eng
Schlagworte:	adults Animals birds Breeding breeding season Cortisol Direct fitness early lactation Endocrinology & Metabolism Feces - chemistry Female females Fertility Hydrocortisone - metabolism Lactation - metabolism Lactation - physiology life history Male metabolites Octodon - metabolism Octodon - physiology probability rodents Stress response Survival
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container_title	General and comparative endocrinology
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creator	Ebensperger, Luis A Tapia, Diego Ramírez-Estrada, Juan León, Cecilia Soto-Gamboa, Mauricio Hayes, Loren D
description	Highlights • Adult survival in the social rodent Octodon degus was unrelated to baseline cort. • Adult survival was directly related to body condition in males and females. • Cort levels early during lactation predicted second breeding by the females. • The cort-fitness relationship is contingent upon the fitness component examined.
doi_str_mv	10.1016/j.ygcen.2013.02.044
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subjects	adults Animals birds Breeding breeding season Cortisol Direct fitness early lactation Endocrinology & Metabolism Feces - chemistry Female females Fertility Hydrocortisone - metabolism Lactation - metabolism Lactation - physiology life history Male metabolites Octodon - metabolism Octodon - physiology probability rodents Stress response Survival
title	Fecal cortisol levels predict breeding but not survival of females in the short-lived rodent, Octodon degus
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