Cortisol but not testosterone is repeatable and varies with reproductive effort in wild red deer stags

Highlights • Androgen and cortisol metabolites were measured in wild red deer stag faeces. • An assay was biologically validated for measuring androgen metabolites in red deer faeces. • Levels of both hormones varied with age and sampling season. • Stags investing more effort in reproduction had hig...

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Published inGeneral and comparative endocrinology Vol. 222; pp. 62 - 68
Main Authors Pavitt, Alyson T, Walling, Craig A, Möstl, Erich, Pemberton, Josephine M, Kruuk, Loeske E.B
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.10.2015
Subjects
Androgens
Androgens - chemistry
Animals
Biological Assay
Biological assay validation
Deer
Dominance
Endocrinology & Metabolism
Faecal hormone metabolites
Glucocorticoids
Hydrocortisone - metabolism
Male
Repeatability
Reproduction
Rut
Seasonal cycles
Testosterone - metabolism
Rut
FCM
Repeatability
Androgens
Biological assay validation
FAM
faecal cortisol metabolites
Glucocorticoids
Seasonal cycles
faecal androgen metabolites
Dominance
Faecal hormone metabolites
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Summary:Highlights • Androgen and cortisol metabolites were measured in wild red deer stag faeces. • An assay was biologically validated for measuring androgen metabolites in red deer faeces. • Levels of both hormones varied with age and sampling season. • Stags investing more effort in reproduction had higher cortisol levels.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0016-6480
1095-6840
DOI:10.1016/j.ygcen.2015.07.009