ASSESSMENT OF HEAVY METALS CONCENTRATION IN WATER AND EDIBLE TISSUES OF NILE TILAPIA (OREOCHROMIS NILOTICUS) AND (CLARIAS GARIEPINUS) FROM BURULLUS LAKE, EGYPT WITH LIVER HISTOPATHOLOGICAL AS POLLUTION INDICATOR | ||||
| Journal of the Egyptian Society of Parasitology | ||||
| Article 22, Volume 49, Issue 1, April 2019, Page 183-194 PDF (567.85 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jesp.2019.68301 | ||||
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| Authors | ||||
| FATHI M. EL-SHAER; AHMED N. ALABSSAWY | ||||
| Department of Zoology, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt. | ||||
| Abstract | ||||
| The study reported water quality and the concentrations of heavy metals (Cu, Zn, Fe, Ni, Pb, Mn, Cd, Co, Cr & Hg) in water, muscle and liver of two fish species; Clarias gariepinus (Cat fish) and Oreochromis niloticus (Tilapia fish) obtained from Burullus Lake, Kafr Elsheikh Governorate. Thesealterations were followed, in the present study, by the occurrence of histological lesions in liver of two fishes collected from the same sites. The results showed that there were high level of the analyzed metals (Fe; 56.63mg/kg, Zn; 28.09mg/kg, Mn; 7.89mg/kg, Pb; 7.87mg/kg, Cr; 5.22mg/kg, Cu; 2.82mg/kg, Co; 2.68mg/kg and Hg; 0.0103 mg/kg) as Fe > Zn > Mn > Pb > Cr > Cu > Co > Hg in C. gariepinus and (Fe; 48.15mg/kg, Zn; 25.41mg/kg, Mn; 7.14 mg/kg, Pb; 5.23 mg/kg, Cu; 1.91mg/kg & Hg; 0.0074mg/kg) as Fe > Zn > Mn > Pb > Cu > Hg in O. niloticus sample compared to WHO standard. So, fish in some sites of Burullus Lake may be not safe for human consumption. | ||||
| Keywords | ||||
| Burullus Lake; Clarias gariepinus; Oreochromis niloticus; histopathology; Heavy metals | ||||
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