Electrical stunning of broiler chickens
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Electrical stunning and exsanguination decrease the extracellular volume in the broiler brain as studied with brain impendance recordings.
Electrical stunning in the process of slaughtering poultry is used to induce unconsciousness and immobilize the animal for easier processing. Unconsciousness is a function of brain damage. Brain damage has been studied with brain impedance recordings under ischemic conditions. This experiment studies brain impedance as a response to a general epileptiform insult caused by electrical stunning an...
متن کاملStunning systems of poultry species
Introduction In the distant past large animals were sometimes stunned by a heavy blow on the head where poultry was decapitated before slaughter During the last century concern for animal welfare increased. Concussion stunning was deemed not satisfactory, and improved stunning methods were developed. Stunning by captive bolt was introduced at the end of the 19th century, electrical stunning at ...
متن کاملAnimal welfare at markets and during transport and slaughter.
This review highlights some recent developments in our understanding of stress and physical injuries that occur before and during transport to slaughter, during handling at livestock markets, and at the time animals are put-up for slaughter within abattoirs. Stress in pigs during transfer to the stunning point within the abattoir has important effects on meat quality, and there is growing evide...
متن کاملHead-to-cloaca electrical stunning of broilers.
This study was performed to identify the electrical current and exposure duration that would instantaneously render broiler chickens unconscious at slaughter when using a head-to-cloaca water bath stunner. The water in which the head was immersed was one electrode, and a steel-coned or cutaneous U-shaped electrode penetrating the cloaca was the other electrode. When an electrode penetrating the...
متن کاملDevelopment of brain damage as measured by brain impedance recordings, and changes in heart rate, and blood pressure induced by different stunning and killing methods.
Poultry are electrically stunned before slaughter to induce unconsciousness and to immobilize the chickens for easier killing. From a welfare point of view, electrical stunning should induce immediate and lasting unconsciousness in the chicken. As an alternative to electroencephalography, which measures brain electrical activity, this study used brain impedance recordings, which measure brain m...
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