Effects of intermittent formalin treatment of ...
|Title||Effects of intermittent formalin treatment of Atlantic salmon juveniles on growth, condition factor, plasma electrolytes, and hematocrit in freshwater and after transfer to seawater|
|Author(s)||M. D. Powell, David J. Speare, A. E. Fulton, G. W. Friars|
|Journal||Journal of Aquatic Animal Health|
|Abstract||Treatment of two sizes of juvenile Atlantic salmon (Salmo salar) (16.0 cm initial fork length) with formalin at either 167 or 250 micro l/litre every 2 weeks for a 12-week period from mid March to the end of May before transfer to seawater had no significant effect on their growth survival, plasma electrolytes, or haematocrit. Five days after the last treatment, fish were transferred to seawater. Survival after seawater transfer was high for fish in all treatment groups. It is concluded that the use of formalin as a bath treatment (up to 250 micro l/litre for 90 min) once every alternate week is safe for Atlantic salmon juveniles through the spring of smoltification even when the last treatment is 5 days before seawater transfer..|
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