Toxicological impact of benzenehexachloride on the behaviour and neuropathology of Heteropneustes fossilis.
Toxicological Impact of Benzenehexachloride on the behaviour and Neuropathology of Heteropneustes fossilis. Organochlorine pesticides are widely used in the vast agricultural fields of Assam, India. Run-offs from treated fields contaminates nearby bodies of water with organochlorine compounds, which are neurotoxic to the ichthyofouna. The present work was designed to study the effect of bezenehexachloride on the behaviour and histopathology of Heteropneustes fossilis, as an experimental model. The experimental fish were exposed to different concentrations of the pesticide for 72 hours. After exposure, the fish exhibited various behavioural changes. Histopathological examination of brain tissue revealed cytopathic and gross histopathological alterations, including necrosis and infractional changes. These results are consistent with the finding that organochlorides cause neurotoxic effects.
Hazarika
R
R
Department of Zoology, M. C. College, Barpeta, Assam, India.
Das
M
M
D000818:Animals; D001522:Behavior, Animal; D001921:Brain / Q000187:drug effects / Q000473:pathology*; D002397:Catfishes; D001556:Hexachlorocyclohexane / Q000633:toxicity*; D007306:Insecticides / Q000633:toxicity*; D018675:Toxicity Tests
D007306:Insecticides; D001556:Hexachlorocyclohexane