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The Toxic Effect of Diazinon in Gold Fish Carassius auratus | ||
| journal of kerbala university | ||
| Article 1, Volume 2, Issue 4, 2006, Pages 102-109 PDF (0 K) | ||
| Abstract | ||
| The present study deals with the effect of Diazinon on Gold fish Carassius auratus . Fish were exposed to different concentrations of the mentioned pesticide, the percentages of mortality were increased as the pesticide concentration increased. Median lethal concentration (LC50) of pesticid was calculated after an acute exposure period (96) h. (14.55) ppm. The result showed that the Diazinon was observed mortality in fish during (24) h. in concentration (16 , 18) ppm, whereas mortality was not observed during (24) h. in concentration (12,14) ppm. After (24) h. the percentage of mortality was increasing gradually with the increase of exposure time. It is found that the increasing of the concentration of pesticide under study correlated reflexive with (LT50) of these concentrations. The concentration (12) PPM recorded higher LT50 (562) h. , whereas the concentration (18) ppm recorded lower LT50 (33) h. | ||
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