ZBTI.htm

NR ZBTI

AU Blackmore,D.K.; Delany,M.W.

TI Determination of impaired brain function in animals at the abattoir

QU Seminar on pre-slaughter stunning of food animals, European Conference Group on the Protection of Farm Animals, Brussels, 2 - 3 June 1987

PT Proceedings

AB In the abattoir, attempts to assess the state of insensibility of an individual animal can be based on the presence or absence of certain stereotyped reactions and voluntary movements. Reflexes used to assess the depth of chemical anaesthesia are usually totally inappropriate to determine the sensibility of an animal subjected to a physical method of stunning. The only two criteria of any value are pupillary dilatation and attempts to maintain posture. However, the former occurs just prior to loss of total brain function and the latter some time after sensibility has returned. Epileptiform convulsions are a characteristic of all methods of physical stunning, and a successful stun results in a series of relatively typical reactions. Specifications can be produced for specific slaughter processes which will ensure, with a high degree of confidence, that animals will be rendered immediately and permanently insensible. The state of sensibility of animals subjected to such procedures can then be assessed. First, by ensuring strict adherence to such specifications and secondly, by examining an appropriate sample of animals from the total population being slaughtered, as part of a quality control programme.

SP englisch

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