The Asian Journal of Animal Science

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Static Bioassay and Behavioural Responses of Cypermethrin on Freshwater Teleost, Labeo rohita


Affiliations
1 Department of Aquatic Biology, Veer Narmad South Gujarat University, Surat (Gujarat), India
     

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Static renewal bioassay test was conducted to determine the toxicity of pyrithroid Cypermethrin (10% EC) insecticide on a freshwater teleost (Labeo rohita). Fishes were exposed to various concentrations of Cypermethrin for 96 h and the per cent mortality was recorded. The LC50 value was found to be 0.06 ppm. Behavioural changes were observed in fish exposed to lethal concentrations exhibiting erratic and darting movements with imbalanced swimming.

Keywords

Labeo rohita, Cypermethrin, Behavioural Response.
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  • Static Bioassay and Behavioural Responses of Cypermethrin on Freshwater Teleost, Labeo rohita

Abstract Views: 186  |  PDF Views: 1

Authors

Mohini Gadhia
Department of Aquatic Biology, Veer Narmad South Gujarat University, Surat (Gujarat), India
Rakesh Prajapati
Department of Aquatic Biology, Veer Narmad South Gujarat University, Surat (Gujarat), India

Abstract


Static renewal bioassay test was conducted to determine the toxicity of pyrithroid Cypermethrin (10% EC) insecticide on a freshwater teleost (Labeo rohita). Fishes were exposed to various concentrations of Cypermethrin for 96 h and the per cent mortality was recorded. The LC50 value was found to be 0.06 ppm. Behavioural changes were observed in fish exposed to lethal concentrations exhibiting erratic and darting movements with imbalanced swimming.

Keywords


Labeo rohita, Cypermethrin, Behavioural Response.