TOXIC EFFECT OF MALATHION IN TILAPIA NILOTICA | ||
| Kafrelsheikh Veterinary Medical Journal | ||
| Article 6, Volume 5, Issue 2, October 2007, Pages 114-138 PDF (1.91 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/kvmj.2007.115886 | ||
| Authors | ||
| A. A. Abou-Rawash* ; A. A. Elsawak; Nagwan M. Habashi | ||
| Pathology Dept., Fac. Vet. Med. Kafrelsheikh University | ||
| Abstract | ||
| Toxic effect of malathion in Tilapia nilotica fish after short (one month) and long (5 months) term exposure as well as reversibility of the lesions were investigated. The result showed malthion has adverse effect on all vital organs of T. nilotica fish at both levels of exposure. Necrobiotic changes in the parenchyma of liver, kidney and heart Lamellar hyperplasia with lamellar fusion in gills and neuronal injuries and edema were all detected. Most of the lesions observed have been almost completely disappeared by 4weeks of withdrawal of malathion but the brain still showed focal subependymal edema accompanied with neuronal injury and edema of the nerve tract. | ||
| Keywords | ||
| malathion; Tilapia nilotica; exposure | ||
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