Challenge by a novel object does not impair the capacity of ewes and lambs selected for a nervous temperament to display early preference for each other - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Animal Production Science Année : 2011

Challenge by a novel object does not impair the capacity of ewes and lambs selected for a nervous temperament to display early preference for each other

Résumé

Novelty, a powerful fear-inducing and stressful stimulus, could be detrimental on the capacity of ewes and lambs to recognise each other. The effect of a novel object on the ability of ewes and lambs, selected for their calm or nervous temperament, to show a preference for each other was tested in a two-choice discrimination test. Both calm and nervous temperament mothers showed a preference towards their own offspring rather than the alien lambs. Nervous temperament ewes also looked at their own lamb more than the alien. In contrast, nervous lambs showed a greater preference and took less time to reach their own mother than calm lambs. Nervous temperament does not seem to impair the capacity of ewes and lambs to display an early preference for each other, and might be an advantage in some challenging postnatal situations because of the increased motivation of nervous lambs to reunite with their mother.
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hal-01129542 , version 1 (10-03-2015)

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S. Bickell, Raymond Nowak, Pascal Poindron, A. Chadwick, D. Ferguson, et al.. Challenge by a novel object does not impair the capacity of ewes and lambs selected for a nervous temperament to display early preference for each other. Animal Production Science, 2011, 51 (6), pp.575-581. ⟨10.1071/AN11009⟩. ⟨hal-01129542⟩
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