Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/5053
Title: Light exposure during incubation and social and vigilance behaviour of domestic chicks
Contributor(s): Wichman, Anette (author); Freire, Rafael (author); Rogers, Lesley  (author)
Publication Date: 2009
DOI: 10.1080/13576500802440616
Handle Link: https://hdl.handle.net/1959.11/5053
Abstract: Light exposure of chick eggs during a sensitive period at the end of the incubation period leads to the development of lateralised visual behaviour, and here we show that social behaviour is also influenced by this exposure. Groups of eight chicks of three types - (1) all incubated in the dark (Da), (2) all exposed to light (Li), (3) half Da and half Li (Mixed) - were tested on a range of tasks involving social competition and vigilance for a simulated predator. We confirmed a previous finding that lowest-ranking chicks in Li groups gained less access to a food bowl when they had to compete with group members than did the lowest-ranking chicks in the Da groups, and we extended this result to show that the Mixed groups performed like the Li groups. We also showed that before presentation of a novel stimulus resembling a predator, fewer of the chicks in the Da groups than in the Li and Mixed groups looked up, but during presentation of the predator more Da than Li chicks looked up. Hence, light exposure before hatching affects post-hatching social and vigilance behaviour.
Publication Type: Journal Article
Source of Publication: Laterality: Asymmetries of Body, Brain and Cognition, 14(4), p. 381-394
Publisher: Psychology Press
Place of Publication: Hove, United Kingdom
ISSN: 1357-650X
1464-0678
Field of Research (FOR): 060801 Animal Behaviour
Socio-Economic Outcome Codes: 970106 Expanding Knowledge in the Biological Sciences
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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Appears in Collections:Journal Article
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