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Maternal egg hormones in the mating context : the effect of pair personality [Functional Ecology]

Keywords : maternal effects, testosterone, behavioural syndrome, plasticity, Parus major, avian

par Frédéric Magné - publié le

1. Animal personality traits emerge developmentally from the interaction of genetic and early environmental factors. Maternal hormones, such as androgens (testosterone, T and androstenedione, A4), transferred to embryos and egg yolks may simultaneously organize multiple behavioural and physiological traits. Whereas previous studies demonstrated an association between the mother’s personality and yolk androgen levels, the independent effects of the male partner’s personality and pair combination are unknown.(...)

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