FLUOROSIS IN DAIRY-COWS - CLINICOPATHOLOGICAL FINDINGS

An outbreak of fluorosis was recorded in dairy cattle of Aarey Milk Co lony, Bombay. Of the 638 cows, 88 manifested symptoms of hind limb lam eness, reluctance to move, skeletal deformities, bony exostoses, and w asting of main mass of hind quarter and shoulder muscles. Slight to ma rked dental lesions, loss in milk production, intermittent diarrhoea a nd emaciation were also present. The affected cows had significantly h igh concentration of serum and urine fluoride, serum alkaline phosphat ase, urea nitrogen and creatinine, and low haemoglobin content. Higher amount of fluoride in mineral mixture supplement (952.92+/-1.49 ppm) was suspected to be the principal source of excessive flouride.