Effects of developmental conditions on glucocorticoid concentrations in adulthood depend on sex and foraging conditions

Jimeno, B., Briga, M., Verhulst, S. & Hau, M. Jul-2017 In : Hormones and Behavior. 93, p. 175-183 9 p.

Research output: Scientific - peer-reviewArticle

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  • Effects of developmental conditions on glucocorticoid concentrations in adulthood depend on sex and foraging conditions

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Developmental conditions in early life frequently have long-term consequences on the adult phenotype, but the adult environment can modulate such long-term effects. Glucocorticoid hormones may be instrumental in mediating developmental effects, but the permanency of such endocrine changes is still debated. Here, we manipulated environmental conditions during development (small vs. large brood size, and hence sibling competition) and in adulthood (easy vs. hard foraging conditions) in a full factorial design in zebra finches, and studied effects on baseline (Bas-COAT) and stress-induced (SI-CORT) corticosterone in adulthood. Treatments affected Bas-CORT in females, but not in males. Females reared in small broods had intermediate Bas-CORT levels as adults, regardless of foraging conditions in adulthood, while females reared in large broods showed higher Bas-CORT levels in hard foraging conditions and lower levels in easy foraging conditions. Female Bas-CORT was also more susceptible than male Bas-COAT to non-biological variables, such as ambient temperature. In line with these results, repeatability of Bas-CORT was higher in males (up to 51%) than in females (25%). SI-CORT was not responsive to the experimental manipulations in either sex and its repeatability was high in both sexes. We conclude that Bas-CORT responsiveness to intrinsic and extrinsic conditions is higher in females than in males, and that the expression of developmental conditions may depend on the adult environment. The latter finding illustrates the critical importance of studying of causes and consequences of long-term developmental effects in other environments in addition to standard laboratory conditions. (C) 2017 Published by Elsevier Inc.

Original languageEnglish
Pages (from-to)175-183
Number of pages9
JournalHormones and Behavior
StatePublished - Jul-2017


  • Corticosterone, Taenopygia guttata, Glucocorticoids, Developmental effects, Foraging conditions, Sex differences, Environmental stress, Environmental responsiveness, PITUITARY-ADRENAL AXIS, LONG-TERM REPEATABILITY, LEGGED KITTIWAKE CHICKS, EARLY-LIFE STRESS, ZEBRA FINCHES, BASE-LINE, ENVIRONMENTAL-CHANGE, TAENIOPYGIA-GUTTATA, SONG SPARROWS, CORTICOSTERONE

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