Comparative evaluation of DDT and fenvalerate toxicity on penaeus indicus (H. Milne Edwards)

Abstract

The toxicity of DDT and Fenvalerate to Penaeus indicus was evaluated by using static bioassay tests. The LC50 values were found to be 0.063 ppm and 0.037 ppm for 48 h and 96 h exposure periods of DDT and 0.00054 ppm and 0.00038 ppm for 24 h and 48 h exposure periods of Fenvalerate respectively