Brief AC electroshock caused significant elevations in plasma cortisol, glucose, osmolality, and chloride levels in rainbow trout within 15min, but plasma protein was reduced at 3h. Circulating granulocytes had declined by 15min, but other haematological features remained unchanged. Thus, AC electrofishing would not be suitable for monitoring physiological conditions in trout if short delays are encountered before blood is sampled.
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Barton et al. (1996) studied this question.
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