Abstract

The aim of the experiments was to test the effects of dip-netting, transport, and chorobutanol anaesthesia on survival of sea-ranched 1- and 2-year-old-smolts of Atlantic salmon ( Salmo salar L.). Dip-netting just prior to release reduced the survival of 1- but not of 2-year-old-smolts. Adding an additional transport stress lasting 4 h gave similar results. Handling and chlorobutanol anaesthesia immediately before release reduced the survival of both smolt groups.

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