Non-invasive monitoring of adrenocortical activity in captive African Penguin ( Spheniscus demersus ) by measuring faecal glucocorticoid metabolites

Highlights • We assessed faecal glucocorticoid metabolite (FGM) concentrations in captive African Penguin. • We validated an enzyme immunoassay (EIA) using a biological stressor. • The peak of glucocorticoid secretion was reached 5.5–8 h after the stressful event. • The highest levels of FGM, during...

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Bibliographic Details
Published in:General and comparative endocrinology 2015-12, Vol.224, p.104-112
Main Authors: Ozella, L, Anfossi, L, Di Nardo, F, Pessani, D
Format: Article
Language:English
Subjects:
African Penguin (Spheniscus demersus)
Animals
Biological validation
Breeding
Corticosterone
Endocrinology & Metabolism
Faecal glucocorticoid metabolites
Feces - chemistry
Female
Glucocorticoids - metabolism
Immunoenzyme Techniques - methods
Male
Marine
Reproduction - physiology
Spheniscidae - metabolism
Spheniscus demersus
Stress
Stress, Physiological
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Summary:Highlights • We assessed faecal glucocorticoid metabolite (FGM) concentrations in captive African Penguin. • We validated an enzyme immunoassay (EIA) using a biological stressor. • The peak of glucocorticoid secretion was reached 5.5–8 h after the stressful event. • The highest levels of FGM, during the breeding period, were measured in penguins with eggs. • The EIA was a reliable tool to biologically measure individual changes in FGM concentrations.
ISSN:0016-6480
1095-6840
DOI:10.1016/j.ygcen.2015.06.014