Life Science Journal, 2011; 8(4)
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Environmental and experimental studies of aluminium toxicity on the liver of Oreochromis niloticus (Linnaeus, 1758) fish Mohammad M.N. Authman Hydrobiology Department, National Research Centre, Dokki 12622, Giza, Egypt
[email protected] Abstract: Specimens of water and the freshwater fish (Oreochromis niloticus) were sampled from Al-Atf drainage canal, Al-Minufiya Province, Egypt, for one year to determine aluminium (Al) concentrations in water and its accumulation in livers of such fish. It was found that Al accumulated in livers of O. niloticus in levels higher than that of the canal water. The concentrations of Al in water were higher than the world permissible limits. Experimentally, O. niloticus fishes were exposed to three doses of Aluminium sulphate and Al effects were evaluated with regard to hepatosomatic index and liver histopathological alterations. The hepatosomatic indices of fish treated with the three doses of Aluminium sulphate were higher compared to the control group. Fish exposed to the highest dose had significantly higher (P
