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AbstractFull Text

Rearing practices in pig husbandry can be stressful for animals. Especially, mixing of unfamiliar pregnant sows and the consecutive fighting for establishing a social hierarchy can affect animals' welfare and physiology. The aim of the present study is to evaluate the impacts of a chronic social...

Couret, D.; Prunier, A.; Otten, W.; Puppe, B.; Meunier-Salaün, M. C.; Mounier, A. M.; Lefebvre, M.; Merlot, E.
Institut du Porc, Paris, France
Journées de la Recherche Porcine en France, 2007, 39, pp 63-68

Fighting among new groupings of pigs at 15-16 weeks of age was accompanied by increased heart rate, increased plasma catecholamines, and a delayed increase in plasma cortisol. Pigs of high social rank were more aggressive and their catecholamine response was greater than pigs of low social rank....

Otten, W.; Stabenow, B.; Puppe, B.; Kanitz, E.; Schön, P. C.; Nürnberg, G.
Kuratorium für Technik und Bauwesen in der Landwirtschaft., Darmstadt, Germany
Aktuelle Arbeiten zur artgemässen Tierhaltung 1995., 1996, pp 27-36