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Olfactory and sexual attractiveness of western mosquitofish (gambusia affinis) exposed to the commonly used insecticide endosulfan

Animal Cells and Systems 2002년 6권 2호 p.153 ~ 157
박대식, Propper Catherine R., 박시령,
소속 상세정보
박대식 ( Park Dae-Sik ) - Michigan State University Department of Zoology
 ( Propper Catherine R. ) - Northern Arizona University Department of Biological Sciences
박시령 ( Park Shi-Ryong ) - Korea National University of Education Department of Biology Education

Abstract


To know whether a short?term exposure to a commonly used insecticide induces subtle negative toxic effects, female western mosquitofish, Gambusia affinis, were exposed to 0.1, 0.5, and 1 ppb endosulfan for one week and subsequently examined for their olfactory and sexual attractiveness to conspecific males. A short?term exposure to endosulfan did not impair the physical conditions investigated in this study nor did it disrupt olfactory attractiveness of female mosquitofish. However, 1 ppb endosulfan significantly reduced sexual attractiveness of exposed females. Test males showed significantly less copulation attempts with the exposed females. Our results suggest that in the field, a short term exposure of endosulfan may disrupt mating processes in non?targeted aquatic organisms.

키워드

Mosquitofish; Gambusia affinis; Insecticide; Endosulfan; Subtle effects

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