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Behavioural reactivity, social and cognitive abilities of Vietnamese and Pitman–Moore weaned piglets

Miniature pigs are increasingly used as alternative models in biomedical research, but little is known about their behavioural reactivity. However this should be taken into account when selecting breeds. In the present study, behavioural reactivity, social and cognitive abilities of 63 weaned piglet...

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Published in:Applied animal behaviour science 2013-09, Vol.148 (1-2), p.108-119
Main Authors: Val-Laillet, David, Tallet, Céline, Guérin, Carole, Meunier-Salaün, Marie-Christine
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Language:English
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container_title Applied animal behaviour science
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description Miniature pigs are increasingly used as alternative models in biomedical research, but little is known about their behavioural reactivity. However this should be taken into account when selecting breeds. In the present study, behavioural reactivity, social and cognitive abilities of 63 weaned piglets from the Pitman–Moore (16 females and 17 males) and Vietnamese (15 females and 15 males) miniature breeds were assessed in three test situations. They were first isolated in an open-field test and confronted with an unknown human. They were then confronted to the presence of familiar and unfamiliar piglets in a T-maze test. Finally, their reaction to the reunion with and separation from a littermate was assessed in a Y-maze test. Overall, Pitman–Moore piglets systematically expressed more locomotion, vocalisations and exploratory behaviour than Vietnamese piglets (principal component analysis; P
doi_str_mv 10.1016/j.applanim.2013.06.003
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Piglets from both breeds spent 80% of their time close to either the familiar or the unknown piglet in a T-maze, male piglets preferring the unknown conspecifics (P&lt;0.05). While piglets of both sexes spent 75% of their time near their littermate rather than an empty pen in a Y-maze test, only females spent more time near the area that was previously associated with the presence of this littermate (P=0.012), suggesting the acquisition of short-term social-conditioned place preference. 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source ScienceDirect Journals
subjects Behaviour
biomedical research
females
humans
Life Sciences
locomotion
males
miniature breeds
miniature swine
Minipig
piglets
principal component analysis
Reactivity
roots
Selection
Sociability
temperament
title Behavioural reactivity, social and cognitive abilities of Vietnamese and Pitman–Moore weaned piglets
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