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Early-life maltreatment predicts adult stress response in a long-lived wild bird.


ABSTRACT: Persistent phenotypic changes due to early-life stressors are widely acknowledged, but their relevance for wild, free-living animals is poorly understood. We evaluated effects of two natural stressors experienced when young (maltreatment by adults and nutritional stress) on stress physiology in wild Nazca boobies (Sula granti) 6-8 years later, an exceptionally long interval for such studies. Maltreatment as a nestling, but not nutritional stress, was associated years later with depressed baseline corticosterone in females and elevated stress-induced corticosterone concentration [CORT] in males. These results provide rare evidence of long-term hormonal effects of natural early-life stress, which may be adaptive mechanisms for dealing with future stressors.

SUBMITTER: Grace JK 

PROVIDER: S-EPMC5803595 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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Early-life maltreatment predicts adult stress response in a long-lived wild bird.

Grace Jacquelyn K JK   Anderson David J DJ  

Biology letters 20180101 1


Persistent phenotypic changes due to early-life stressors are widely acknowledged, but their relevance for wild, free-living animals is poorly understood. We evaluated effects of two natural stressors experienced when young (maltreatment by adults and nutritional stress) on stress physiology in wild Nazca boobies (<i>Sula granti</i>) 6-8 years later, an exceptionally long interval for such studies. Maltreatment as a nestling, but not nutritional stress, was associated years later with depressed  ...[more]

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