“EFFECT OF COPPER ACETATE ON ACUTE TOXICITY OF FISH CHANNA PUNCTATUS AT 48 HR BY DRAGSTEDT AND BEHREN'S METHOD ”

This study was carried out on ?sh channa punctatus to investigate the lethal concentration of copper acetate on ?sh channa punctatus at 48 hr. Experiment procedure was repeated ?ve times at the selected copper acetate concentrations, noting the number of ?sh killed. The mean values was taken. These values was taken to determine LC50 value for 48 hr. By Dragstedt and Behrens Method