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Toxicity of Dichlorvos (2, 2- Dichlorovinyl Dimethyl Phosphate) on Fish Life | Chapter 07 | Recent Advances in Biological Research Vol. 6

Environmental contaminants are having a major impact on receiving ecosystems including air, soil and surface water. Wastes resulting from human activities mostly end up in surface water through deposition and indirectly through runoff. Indiscriminate application of pesticides and the remains of empty cans are often improperly discharged. This possess a threat to the aquatic system especially amongst communities close to surface water resources. In Nigeria, the use of 2, 2- dichlorovinyl dimethyl phosphate (an organophosphate insecticide) for the control of insects in household settings, agricultural field practice and in storage facilities abounds. 2, 2- dichlorovinyl dimethyl phosphate has different trade names depending on the region. This study reviewed the toxicity associated with 2, 2- dichlorovinyl dimethyl phosphate. The study found that the toxicants induces behavioural and morphological alteration, histopathological, haematological, biochemical, enzymatic, electrolytes and developmental defects and death depending on the concentration and exposure duration. The study also found that insecticides containing 2, 2- dichlorovinyl dimethyl phosphate is toxic to fish even at low concentrations (0.2 – 2 ppm). Hence, there is the need to exercise caution in the use and disposal of empty cans of 2, 2- dichlorovinyl dimethyl phosphate close to surface water.

Author(s) Details

Dr. Sylvester Chibueze Izah
Department of Biological Sciences, Faculty of Science, Bayelsa Medical University, Yenagoa, Bayelsa State, Nigeria.

Dr. Glory Richard
Department of Community Medicine, Faculty of Clinical Sciences, Niger Delta University, Wilberforce Island, Bayelsa State, Nigeria.

View Book: http://bp.bookpi.org/index.php/bpi/catalog/book/119
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