Evaluation of the Lambs’ State of Consciousness Signs during Halal and Traditional Slaughtering

Author:

Barrasso RobertaORCID,Tufarelli VincenzoORCID,Ceci Edmondo,Luposella Francesco,Bozzo GiancarloORCID

Abstract

The aim of this study was to evaluate the persistence of two signs of consciousness (rhythmic breathing and corneal reflex) in lambs slaughtered according to the traditional method and Halal ritual rite. A total of 240 lambs were examined and divided into two equal groups (n = 120 each). Lambs of group A were subjected to the stunning phase by the action of an electric current on the brain, while lambs of group B were slaughtered according to the religious Halal method without prior stunning. Rhythmic breathing (RB) and corneal reflex (CR) were used as indicators of prolonged brain function, and their evaluation was carried out by the operators in three subsequent steps at 15 s, 30 s, and 90 s post-bleeding, respectively. The stunning of the lambs reduced the animal’s state of consciousness and, consequently, reduced suffering, pain, and distress. Indeed, the lambs of group B showed longer duration consciousness than the animals stunned by electrodes. The permanence of the reflexes in Halal slaughter could be reduced by introducing a reversible stunning method to make the animal temporarily unconscious. Moreover, given that our results revealed consciousness also after 90 s post-cut, the assessment of the animal’s state of consciousness in wider time intervals than those commonly used is recommended.

Publisher

MDPI AG

Subject

Plant Science,Agronomy and Crop Science,Food Science

Reference40 articles.

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3. Religious slaughter: A current controversial animal welfare issue

4. IHIAS 0600:2010 Slaughtering and Processingwww.ihialliance.org

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