Pesticide formulation disrupts salmon populations

Salmon populations in eastern Canada were severely affected by pesticide spraying in the 1970s and 1980s, researchers have concluded. The compound responsible was not the active ingredient but nonyl phenol - an endocrine-disrupting substance included as a solvent. The findings suggest that the use of endocrine-disrupting solvents and surfactants in pesticide formulations may have significant impacts on the aquatic environment.

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