Conclusions
Permethrin is extremely toxic to juvenile Atlantic salmon and has a lethal threshold of approximately 9 μg/ℓ. It is relatively much more persistent than pyrethrins and allethrin. Fish accumulate permethrin from water and the accumulation coefficient of 55 indicates an intermediate degree of accumulation under the used experimental conditions.
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Zitko, V., Carson, W.G. & Metcalfe, C.D. Toxicity of pyrethoids to juvenile Atlantic salmon. Bull. Environ. Contam. Toxicol. 18, 35–41 (1977). https://doi.org/10.1007/BF01686302
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DOI: https://doi.org/10.1007/BF01686302