Abstract
A stunning method that will reliably render an animal insensible to pain and sensation prior to hoisting and bleeding is essential to prevent suffering. Cardiac arrest stunning is more effective than conventional electric stunning. In cardiac arrest stunning, an electric current is passed through both the brain and the heart to produce permanent insensibility. Since the animal is killed by the electricity it cannot revive during hoisting, bleeding, or slaughtering procedures. In contrast, conventional electrical stunning induces reversible insensibility for a short period of time (Hoenderken 1978a; Grandin 1980a; Warrington 1974; Lambooy and Spanjaard 1982; Blackmore and Newhook 1981).
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Grandin, T. (1986). Cardiac Arrest Stunning of Livestock and Poultry. In: Fox, M.W., Mickley, L.D. (eds) Advances in Animal Welfare Science 1985. Advances in Animal Welfare Science, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-4247-9_1
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