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Sublethal Effects of Chromium on Enzymatic Activities of the African Catfish: Clarias Gariepinus (Burchell, 1822)

Author(s): Ovie KORI-SIAKPERE | Kabir Mohammed ADAMU | Isioma Judith OKOBI

Journal: Notulae Scientia Biologicae
ISSN 2067-3205

Volume: 4;
Issue: 1;
Start page: 24;
Date: 2012;
Original page

The effect of sublethal concentration (0.00, 2.00, 4.00 and 8.00 mg/l) of chromium was determined on the activities of some enzymes (creatine-kinase, lactate dehydrogenase, cholinesterase, gamma glutamyltransferase) in the plasma, liver and kidney of the exposed juvenile African Catfish Clarias gariepinus (length 23.00±0.86 cm and weight 96.97±5.31 g respectively) after the 7 days exposure period. The activity of lactate dehydrogenase was significantly (p0.05) in plasma and liver and a significant decrease (p0.05) in plasma, liver and kidney expect liver creatine-kinase that was significantly decreased. Generally, the activities of the determined enzymes were most significant in the liver than in plasma and kidney. Therefore, sublethal concentrations of chromium have some deleterious effect on the basic activities of enzymes of the plasma, liver and kidney of Clarias gariepinus as revealed in this investigation.
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