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Prevalence and duration of insensibility following electrical stunning in calves

Authors: Daly CC, Anil MH, Gregory NG, McKinstry JL
Publication: New Zealand Veterinary Journal, Volume 44, Issue 1, pp 1-3, Feb 1996
Publisher: Taylor and Francis

Animal type: Cattle, Livestock, Production animal, Ruminant
Subject Terms: Animal welfare, Animal handling, Nervous system/neurology, Slaughter
Article class: Scientific Article

Abstract: Sixty-one calves were electrically stunned with 100-250 V currents (103-1806 mA) and the prevalence and duration of insensibility was assessed from their physical behaviour, the presence of epileptiform activity in their electrocorticograms, and the absence of visual evoked responses in their electrocorticograms. A current applied at 100 V across the head for 3 s failed to induce insensibility in all cases. Currents at 150-250 V induced insensibility in all calves and the shortest duration of insensibilitv was 44 s. It is recommended that a 150-200 V current would be appropriate for commercial use.

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