Exsanguination occur. However, the animal's inverted position allows blood to flow more precipitously and thus makes an animal regaining consciousness before it is fully exsanguinated highly unlikely. In any case, animal welfare advisory councils clearly emphasize that the time from incapacitation to start of exsanguination should be prompt; recommending a time under 15 seconds. Beyond the initial cost of purchasing a captive bolt, continued usage of the method is very inexpensive. The animal is incapacitated for the duration of the procedure, so it is one of the safest methods for the slaughterer. Slaughter by exsanguination is mandated by Judaic kashrut (kosher)
Internet as a source of prior art of the art), i.e., if it was not already disclosed in the prior art. An invention is considered inventive if it is not obvious in view of the prior art. The prior art is essentially everything available to the public before the filing date of the patent. In practice, if a device or a method was already known (e.g. described in a scientific paper) before the filing date of the patent covering the device or the method or if the device or method is obvious in view of what was known before the filing date, then, in general, it is