The effect of malathion on the histopathological changes in the liver of Gambusia affinis | ||
| Journal of Pest Control and Environmental Sciences | ||
| Volume 5, Issue 1, June 1993, Pages 17-30 PDF (911.81 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jpces.1993.460806 | ||
| Authors | ||
| Faiza M. Soliman* 1; Ibrahim A. El Elaimy2; Hamdy M. Hamada1 | ||
| 1Dept. of Zoology, Faculty of Science (Sohag) Assiut University. Egypt. | ||
| 2Dept. of Zoology, Faculty of Science, Al Monofeya University, Egypt. | ||
| Abstract | ||
| The histopathological changes in the liver of fresh water fish Gambusia affinis were studied after acute and chronic exposure to malathion. Acute treatment with high dose (2.2 mg/L) malathion induce pathological lesions in the liver. These lesions included liver cord disarray, necrosis nuclear disarray, enlargement of the hepatocytes and loss of their polygonal shape Disintegration of blood materials and blood sinusoids were also observed. A gradual increase in the damage was noticed by longer period of exposure. During chronic exposure to low dose (0. 044 g / L), the histopathological changes in the liver were similar to those observed during acute treatment but in lower intensity. The liver returned, partial I y. to its normal picture after 15 days in fresh untreated water (recovery period). | ||
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