4.5 Article

Impact of natural and artificial prenatal stimulation on the behavioural profile of Japanese quail

Journal

JOURNAL OF EXPERIMENTAL BIOLOGY
Volume 225, Issue 6, Pages -

Publisher

COMPANY BIOLOGISTS LTD
DOI: 10.1242/jeb.243175

Keywords

Auditory stimulation; Behavioural development; Emotivity; Social behaviour; Prenatal stress

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Funding

  1. Agence Nationale de la Recherche [ANR PReSTO'Cog 13-BSV7-0002]

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Prenatal auditory stimulation can influence the way young birds interact with their social and physical environment after hatching, and face challenges in changing living conditions.
As the sensory systems of vertebrates develop prenatally, embryos perceive many environmental stimuli that can influence the ontogeny of their behaviour. Whether the nature and intensity of prenatal stimuli affect this ontogeny differently remains to be investigated. In this context, this study aimed to analyse the effects of prenatal auditory stimulation (natural stimulation, NS; predator vocalisations or artificial stimulation, AS; metallic sounds) on the subsequent behaviour of young Japanese quail (Coturnix coturnix japonica). For this, behavioural variables recorded during ethological tests evaluating emotional and social reactivity were analysed using a principal component analysis. This analysis revealed significant differences between the behavioural profile of stimulated chicks and that of non-exposed chicks. Indeed, chicks exposed to NS expressed more intense emotional responses in fearful situations, but less neophobia when exposed to a novel environment or object, whereas chicks exposed to AS appeared more sensitive to social isolation. Our results show that the acoustic environment of embryos can influence the way young birds subsequently interact with their social and physical environment after hatching, and face challenges in changing living conditions.

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