NR ZAHE

AU Daly,C.C.; Whittington,P.E.

TI Investigation into the principal determinants of effective captive bolt stunning of sheep

QU Research in Veterinary Science 1989 May; 46(3): 406-8

PT journal article

AB In order to identify the physical component of captive bolt stunning responsible for abolishing visual evoked responses, experimental forms of captive bolt stunning were carried out on anaesthetised sheep. Supporting the captive bolt pistol away from the skull to permit limited penetration of the brain was found to be as effective as conventional shooting methods at abolishing visual evoked responses (responses were lost in all animals). Whereas, manual insertion of the bolt through a trephined hole or shooting through a trephined hole was significantly less effective (respectively, one of eight and four of eight animals lost responses). It is concluded that the impact of the bolt with the cranium is the principal determinant of effective stunning, rather than the penetration of the bolt into the brain tissues.

AD Institute of Food Research, Bristol Laboratory, Langford.

SP englisch

PO England

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