Toxicity of Phosphamidon to American Lobsters (Homarus americanus) Held at 4 and 12 C
- 1 September 1974
- journal article
- Published by Canadian Science Publishing in Journal of the Fisheries Research Board of Canada
- Vol. 31 (9) , 1556-1558
- https://doi.org/10.1139/f74-194
Abstract
The concentration of phosphamidon that kills 50% of lobsters in 96 h (96-h LC50) at 12 C is 50 μg/liter and the lethal threshold is 18 μg/liter whether determined in static or running water tests. The 96-h LC50 at 4 C is 180 μg/liter and the lethal threshold is 28 μg/liter, or possibly as low as 18 μg/liter. Phosphamidon is 50–60 times less toxic to lobsters than fenitrothion.Keywords
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