Karunakaran Kalaiselvan* and Chinnavenkataraman Govindasamy
The biochemical components like protein, carbohydrate and lipid were estimated quantitatively in the tissue of gills, liver, kidney and muscle of control and detergent treated fishes. The fishes were treated with sub lethal concentrations of 1.5% for 15 days exposure and another 15 days for recovery period. The protein content of the gill of the control fish was 85.18 ± 0.68 mg/g, while in treated fish it was reduced to 43.30 ± 0.04 mg/g after 15 days exposure to detergent. The protein content of the kidney, liver and muscle of the control fish were 53.44 ± 0.03, 68.28 ± 0.05 and 94.22 ± 0.05 mg/g while in treated fish it were reduced to 60.16 ± 0.04, 60.54 ± 0.04 and 78.14 ± 0.05 mg/g after 15 days of exposure respectively. The carbohydrate and lipid content of the gills, liver and muscle also showed similar declining trend at during study period. During recovery period, the restoration of protein, carbohydrate and lipid level were found be slow and gradual.
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