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No trans-generational maternal effects of early-life corticosterone exposure on neophobia and antipredator behaviour in the house sparrow

Authors
  • Marasco, Valeria
  • Dupont, Sophie
  • Grace, Jacquelyn
  • Angelier, Frédéric
Publication Date
Sep 01, 2021
Identifiers
DOI: 10.1007/s10164-021-00712-3
OAI: oai:HAL:hal-03343258v1
Source
HAL
Keywords
Language
English
License
Unknown
External links

Abstract

Conditions experienced during early development can lead to profound long-lasting changes in physiology and behaviour.The extent to which such “programming” effects are transmitted to the next generation remains largely unexplored. Here, weassessed whether maternal exposure to elevated corticosterone stress hormone during early post-natal development had animpact on neophobia and antipredator behaviour in the offspring. Our data showed that maternal early-life hormonal manipulationhad no impact on offspring behavioural traits. This occurred despite the treatment associated changes to metabolism,physiology and behaviour of the study mothers up until adulthood, as previously reported.

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