Hypersalinity Acclimation Increases the Toxicity of ... - ACS Publications

Apr 13, 2011 - Juvenile coho salmon (Oncorhynchus kisutch) (21.6 ± 1.7 cm length and 100.7 ± 28.7 g weight) were obtained from the Nimbus Hatchery (...
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Hypersalinity Acclimation Increases the Toxicity of the Insecticide Phorate in Coho Salmon (Oncorhynchus kisutch) Ramon Lavado,* Lindley A. Maryoung, and Daniel Schlenk Department of Environmental Sciences, University of California, Riverside, California 92521, United States

bS Supporting Information ABSTRACT:

Previous studies in euryhaline fish have shown that acclimation to hypersaline environments enhances the toxicity of thioether organophosphate and carbamate pesticides. To better understand the potential mechanism of enhanced toxicity, the effects of the organophosphate insecticide phorate were evaluated in coho salmon (Oncorhynchus kisutch) maintained in freshwater (