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Evaluation on the Sensitivity of the Freshwater Tropical Worm, Branchiura sowerbyi (Beddard, 1892) to the Pyrethroid Pesticide, BifenthrinBy Shubhajit Saha, Kishore Dhara, Nimai Chandra Saha
Abstract: In the present study, acute toxicity of the pyrethroid pesticide, bifenthrin, was evaluated under the experimental condition to the freshwater tropical oligochaete worm, Branchiura sowerbyi. The 96 h LC50 with 95% confidence limits of B. sowerbyi was 1.043(0.721-1.327) μg/l. None of the unexposed control test animal died during the experiment. Relation between each concentration and mortality rate during 24–96 h was found to be correlated. The mortality rate varied significantly …
Published in Research & Reviews : Journal of Ecology · Vol. 9, Issue 1, 2020 · pp. 8–13 Read article →