Effect of pre-slaughter conditions on stress and well-being of farm animals. Impact des conditions de pré-abattage sur le stress et le bien-être des animaux d'élevage

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Terlouw, Claudia, | Arnould, Cécile | Aupérin, Benoît | Berri, Cécile | Le Bihan-Duval, Elisabeth | Lefèvre, Florence | Lensink, J. | Mounier, Luc

Edité par HAL CCSD ; INRA (1988-2008)

National audience. Despite progress made in recent years, the pre-slaughter period remains stressful for animals. Current slaughter procedures involve regrouping and mixing animals, removing them from their familiar environment and introducing them into unfamiliar settings, transporting, handling, and depriving them of food, and are sometimes associated with poor quality of surroundings. These often cause stress, which can be both physical (fatigue, hunger, pain, discomfort) and psychological (fear, social stress). Stunning techniques are sometimes poorly controlled or unsuitable. Slaughter procedures cause behavioural, physiological and metabolic responses that are used to determine the animal's stress levels. To improve animal welfare, further knowledge of the exact causes of stress is required. The possible negative effects of stress responses on meat quality are also briefly addressed. . Malgré les progrès de ces dernières années, la période de pré-abattage est une source de stress pour les animaux. Les procédés d’abattage nécessitent des regroupements et des mélanges d’animaux, l’enlèvement du milieu habituel et l’introduction dans des environnements non familiers, le transport, la manipulation par l’homme et le jeûne, et entraînent parfois des mauvaises conditions d’ambiance. Ils sont souvent générateurs de stress d’origine physique (fatigue, faim, douleur, inconfort physique) et psychologique (peur, stress social). Les techniques d’étourdissement sont parfois mal maîtrisées ou mal adaptées. Ces procédés entraînent des réponses comportementales, physiologiques et métaboliques qui sont utilisées pour évaluer le niveau de stress de l’animal. Afin de mieux respecter le bien-être animal à l’abattage, il est nécessaire d’élargir nos connaissances des causes de stress. L’effet négatif que peuvent avoir ces réponses sur les qualités des viandes est succinctement abordé.

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