Abstract
This investigation was designed to evaluate the toxicity effect of Chlorfos on Gills, and liver of Common Carp (Cyprinus carpio) as histological biomarkers through acute and chronic exposure with different concentrations(0.05ppm, 0.1 ppm, 0.25 ppm ), the results showed remarkable effect of chlorfos toxicity as compared to the control group , the histological markers of gills are partial lamellar deformation, abnormal lamellae, marginal dilation, hyperplasia of epithelial cells, and marked gill deformation especially at chronic exposure while liver appeared with multiple markers such as marked focal infiltration of lymphocytes, hepatocytes degeneration, increased sinusoids, and marked degeneration with necrosis and more pronounced after chronic exposure for different concentrations of chlorfos, and none of these morphological changes were found in Control fish.
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