Inter-Observer Repeatability of Indicators of Consciousness after Waterbath Stunning in Broiler Chickens
Fecha de publicación
2022-07-13ISSN
2076-2615
Resumen
Waterbath stunning is intended to induce unconsciousness until death occurs due to bleeding in poultry. However, it is not always effective. For this reason, in order to protect their welfare, it is mandatory in the European Union that the state of consciousness of broiler chickens is monitored at the exit of the waterbath, and that they do not regain consciousness before death. Ineffectively stunned birds can be re-stunned using back-up methods to avoid unnecessary pain, stress and suffering. One of the main challenges in monitoring the state of consciousness in broiler chickens after waterbath stunning is the selection of animal-based indicators ensuring consistency among assessments. The indicators should be valid, feasible and repeatable. However, only the validity and feasibility have been reported. Thus, the main goal of this research was to assess the repeatability of the most valid and feasible indicators of the state of consciousness after waterbath stunning in broilers both before bleeding (tonic seizure, breathing, spontaneous blinking and vocalization) and during bleeding (wing flapping, breathing, spontaneous swallowing and head shaking). This study proposes a refined list of indicators that could be used to assess the consciousness of broiler chickens in commercial slaughterhouses.
Tipo de documento
Artículo
Versión del documento
Versión publicada
Lengua
English
Materias (CDU)
636 - Explotación y cría de animales. Cría del ganado y de animales domésticos
Páginas
15
Publicado por
MDPI
Publicado en
Animals
Citación
Contreras-Jodar, Alexandra, Aranzazu Varvaró-Porter, Virginie Michel, and Antonio Velarde. 2022. "Inter-Observer Repeatability Of Indicators Of Consciousness After Waterbath Stunning In Broiler Chickens". Animals 12 (14): 1800. doi:10.3390/ani12141800.
Número del acuerdo de la subvención
SANTÉ/ /EURC-2020-SI.824038/EU/ /
SANTÉ/ /EURC-2021-2022-SI2.871763/EU/ /
Program
Benestar Animal
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