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Effects of handling and capture stress on plasma glucose cortisol and androgen levels in brown trout salmo trutta m fario



Effects of handling and capture stress on plasma glucose cortisol and androgen levels in brown trout salmo trutta m fario



Journal of Applied Ichthyology 8(1-4): 234-239



The effects of two different catching methods and one handling method on the plasma glucose, cortisol and androgens of brown trout (Salmo trutta morpha fario) were evaluated 2 minutes, 4 hours and 30 hours after capture. Plasma levels of glucose were influenced by stressing factors in both sexes; cortisol levels increased at different times in males, depending on the stresor, and immediately in all treatments in females. After handling, androgen titres showed a very sharp decline in both sexes, whereas with catching methods only male androgens were affected.

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