Exsanguination itself originated from Latin: "ex" ("out of") and "sanguis" ("blood"). Exsanguination is used as a method of slaughter. Before the fatal incision is made, the animal may be rendered insensible to pain by various methods, including captive bolt, electricity or chemical. Without prior sedation, stunning or anesthetic, this method of slaughter causes a high degree of anxiety, although other religiously funded studies contradict these findings. The captive bolt is placed against the skull of the animal, and penetrates to cause tissue destruction in the brain, incapacitating the animal so that the procedure may take place. Electricity is used mostly to
Exsanguination since long been generally associated in public with this kind of slaughter cannot be registered..." and that "[a complete loss of consciousness] occurred generally within considerably less time than during the slaughter method after captive bolt stunning." In Islamic and Jewish law, captive bolts and other methods of pre-slaughter paralysis are generally not permissible, as consumption of animals found dead are regarded as carrion and stunned animals that are later killed will come into this category. Various halal food authorities have more recently permitted the use of a recently developed fail-safe system of head-only stunning using a mushroom shaped hammer