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1.
INTRODUCTIONTheactiveingredientintheformulatedprod uctSumithion ,fenitrothion [0 ,0 dimethyl0 (3 methyl-4 nitrophenol)phos phorothioate] ,isanorganophosphate (OP)insecticideusedinag ricultureforcropprotectionandcontrolofvectorborndiseasesofpublichealthandveteri… 相似文献
2.
Two common fish species, mosquitofish (Gambusia affinis) and topmouth gudgeon (Pseudorasobora para) were exposed to different concentrations of fenitrothion in static system for 96 h. Hepatic glutathione S-transferase activity
was evaluated after 48 and 96 h pesticide exposure, and was also examined in fish pretreated with pepironyl butoxide and triphenyl
phosphate and then exposed to fenitrothion. Results indicated presence of intense glutathione S-transferase activity in both
species, mosquitofish exhibiting the higher activity. In both species the activity decreased as the concentration of fenitrothion
increased, topmouth gudgeon being more susceptible than mosquitofish. In mosquitofish pretreated with pepironyl butoxide,
glutathione S-transferase activity was increased (11.8%) compared with the control but in topmouth gudgeon it was decreased
(21.6%) at the end of 96 h. Glutathione S-transferase activity was significantly reduced in both species pretreated with triphenyl
phosphate at the end of 96 h exposure, topmouth gudgeon being highly susceptible.
Ph. D. student, from Southern Ethiopia Health Bureau, Center for Health Research, P. O. Box 317, Awassa, F. R. Ethiopia. 相似文献