Diabetes mellitus in a cow

Abstract

A 6 - year - old 500 - kg Holstein cow was diagnosed as diabetes mellitus. Hyperglycemia (220 mg/dl), increase of serum fructosamine (463 micromol/L), low concentration of serum insulin (0.1 m U/ml) was determined. Urinanalysis revealed aciduria (pH: 6), glucosuria (500 mg/dl, +++) and ketonuria (50mg/dl, ++).