Journal of Environment and Sociobiology

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Evaluation of Acute Toxicity and Behavioural Studies of Tilapia (Oreochromis niloticus) Exposed to Cypermethrin


Affiliations
1 Sidho-Kanho-Birsha University, Purulia, West Bengal-723104, India
2 Department of Zoology, University of Kalyani, Kalyani, Nadia-741235, India
     

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Synthetic pyrethroid pesticide cypermethrin was used in a short term experiment to determine the acute toxicity. Nile tilapia (Oreochromis niloticus) adults were chosen for the bioassay experiments. The experiments were repeated three times and the 96-h LC50 value was determined for the adults. The static test method of acute toxicity test was used. Data obtained from the cypermethrin acute toxicity tests were evaluated using the probit analysis statistical method. The 96-h LC50 value was found to be 6.2 μg/L. In addition, behavioural changes at each cypermethrin concentration were observed for the individual fish.

Keywords

Toxicity, Behaviour, Cypermethrin, Oreochromis niloticus.
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  • Evaluation of Acute Toxicity and Behavioural Studies of Tilapia (Oreochromis niloticus) Exposed to Cypermethrin

Abstract Views: 396  |  PDF Views: 1

Authors

Salma Haque
Sidho-Kanho-Birsha University, Purulia, West Bengal-723104, India
Kausik Mondal
Department of Zoology, University of Kalyani, Kalyani, Nadia-741235, India

Abstract


Synthetic pyrethroid pesticide cypermethrin was used in a short term experiment to determine the acute toxicity. Nile tilapia (Oreochromis niloticus) adults were chosen for the bioassay experiments. The experiments were repeated three times and the 96-h LC50 value was determined for the adults. The static test method of acute toxicity test was used. Data obtained from the cypermethrin acute toxicity tests were evaluated using the probit analysis statistical method. The 96-h LC50 value was found to be 6.2 μg/L. In addition, behavioural changes at each cypermethrin concentration were observed for the individual fish.

Keywords


Toxicity, Behaviour, Cypermethrin, Oreochromis niloticus.

References