Alteration in some haematobiochemicl parameters of Oreochromis mossambicus under the stress of acute copper toxicity

ABSTRACT

Alterations in some haemato – biochemical parameters of Oreochromis mossambicus (Peters) was studied under the stress of different concentrations of Copper (5, 10, 15 and 20ppm) for 30 days. Copper as Cu(NO₃)² was used to prepare the stock solution. The RBC, haemoglobin percentage, PCV, MCH, MCV  and MCHC significantly decreased with an increase in the concentration of copper, except that the RBC, haemoglobin and PCV exhibited an increase in 5ppm and MCHC showed an increase in 5 and 10ppm copper concentration. Whereas the WBC count increased significantly with an increase in the concentration of copper. The plasma protein level decreased significantly, whereas the cholesterol, triglyceride, glucose and VLDL levels increased significantly with an increase in the concentration of copper, which indicates a stressful condition in the fish.

 Keywords : Copper, acute toxicity, hamato-biochemical parameters, Oreochromis mossambicus.

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