Eazhisai, RGowri, BAbinaya, AYamini, S. HamsaTANUVAS2019-10-152019-10-152019-09http://krishikosh.egranth.ac.in/handle/1/5810131177TNV_IVJ_2019_96(9)74-76A kathiyawari colt aged three years was presented with the anamnesis of inappetance, swelling of nasal bridge bone and shifting lameness. The urinary fractional clearance of phosphorus was highly elevated (40.2%), While the haematological and serum biochemistry revealed no disturbance in Ca and P ratio. Based on these  ndings, the case was diagnosed as miller’s / big head disease. The horse was treated with tricalcium phosphate, calcium carbonate, limestone and mineral mixture for three months and improvement was noticed during the course of the treatment.enVeterinary ScienceArticle