Effect of depth of immersion in the waterbath on the effectiveness of electrical stunning in chickens. |
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Authors: | N G Gregory S B Wotton |
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Institution: | Department of Meat Animal Science, University of Bristol, School of Veterinary Science, Langford. |
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Abstract: | Broiler chickens were electrically stunned either by immersing their heads, necks and upper breast in a waterbath stunner or by immersing their heads only. The time to recovery of muscular activity was assessed, and it was found that the deeper immersion was associated with a slightly (10 second) shorter time to resumption of head righting. When hens which had previously been implanted with electroencephalogram electrodes were electrically stunned it was found that the incidence of somatosensory evoked responses during the first 60 seconds after applying the current was not influenced by the depth of immersion. It was concluded that depth of immersion had little influence on the effectiveness of electrical stunning. |
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