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The overall objective of the study was to evaluate loss of consciousness and sensibility after electrical stunning in fresh water and live chilling in ice water for slaughter of African catfish using measurement of electrical brain and heart activity.To provoke immediate loss of consciousness and insensibility, the minimum electrical current needed to induce a general epileptiform insult was assessed...
In the study, 53 eels with a live weight of 700 to 800 g were restrained and equipped with EEG and ECG electrodes before stunning. The eels were mechanically stunned by a captive needle pistol using a shooting pressure of 8 bar and an air injection of 3 bar during 1.5 s. The behaviour was observed during and after stunning. Indices for the immediate induction of unconsciousness and insensitivity were...
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