Industrial Fluoride Pollution: Clinical Investigation on Chronic Fluoride Poisoning in Cattle
نویسنده
چکیده
A field investigation was carried in cattle in the vicinity of Aluminium industry and Fertilizers unit situated in the Eloor industrial belt of Ernakulam district, Kerala. Clinical surveys were conducted in randomly selected 119 cattle aged three years and above. Blood and urine samples were collected from the randomly selected thirty cattle, aged three years and above and the fluorine content was estimated. Dry, fat free bones were collected from the local slaughter house to estimate the fluorine content. Fifty five (46.22%) cattle showed clinical signs of lameness, dental lesions, bony exostosis, reproductive problems and gastrointestinal disorders suggesting fluorosis. The fluoride levels (ppm) in plasma, urine and bone were 1.247±0.123, 35.477±5.35 and 3523.057±591.885, respectively. It can be concluded from the present study that aluminium smelter and fertilizers units involved fluorine contamination in the Eloor industrial area and caused incidence of fluorosis in cattle.
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