Abstract
The present work is an endeavour to study the effect of three pesticides (namely - Metacid-50(M), Kelthane (K) and Dithane, M-45 (D) and their different combination on changes in biochemical composition (Water, lipid and non lipid fraction) in a fresh water teleostean fish, Channa punctatus (Bloch). In the liver of control group of fishes, the water, lipid and non lipid fractions (protein, carbohydrate and ash contents) were - 71.5%, 2.3% and 26.2% respectively. The water content of liver increased with the increasing concentration and exposure duration of pesticides except K+D mixed condition, where as water content increased at low concentration (i.e. 2.31 and 4.32 ppm) but at high concentration (5.96 ppm) the water content decreased after 24 hrs and increased after 48 hrs exposure. Decreased lipid content was obtained in all the concentrations except K+D mixed condition. In K+D mixed condition the lipid content increased from low to high concentration. The non lipid content decreased in all the experimental/treated animals. Statistical relationship between pesticides Vs. liver water and liver lipid have also been established.. KEYWORDS :Pesticides, liver water and lipid, fish.
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