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Discussion on Research: Horses and conflict with other horses
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Moderator:
DrO
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Posted on Thursday, Jul 29, 2010 - 9:00 pm:
Some say horses never forget and forgive, this report suggests otherwise.
DrOr
3. Behav Processes. 2010 Jul 23.
Post-conflict friendly reunion in a permanent group of horses (Equus caballus).
Cozzi A, Sighieri C, Gazzano A, Nicol CJ, Baragli P.
Phérosynthèse Research Institute Semiochemistry and Applied Ethology, Le Rieu Neuf, 84490-Saint Saturnin Les Apt, France.
Abstract
Gregarious animals living in permanent social groups experience intra-group competition. Conflicts over resources can escalate into costly aggression and, in some conditions, non-dispersive forms of conflict resolution may be favoured. Post-conflict friendly reunions, hence reconciliation, have been described in a variety of species. The aim of this study was to explore, for the first time, the occurrence of reconciliation in a group of domestic horses (Equus caballus) and learn more about strategies used to maintain group cohesion. The behaviour of seven horses living as permanent group in an enclosure for at least 2 years was observed by video for 108h from June to August 2007. We used a Post-Conflict/Matched Control method to assess the existence of reconciliation and third-party affiliation. Behaviours recorded Post-Conflict, or during Matched Control periods, were classified as affiliative based on previous descriptions of visual communication patterns in horses. The proportion of attracted pairs over total post-conflict situations was significantly greater than the proportion of dispersed pairs, both during dyadic interactions (p<0.001) and during triadic interactions (p=0.002). The results of the present study show that both dyadic reconciliation and third-party post-conflict affiliative interactions form important social mechanisms for managing post-conflict situations in horses.
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