Separating and quantifying these proteins from a serum and urine sample aid in the diagnosis of infectious, allergic, nutritional and parasitic diseases in horses. Serum protein electrophoresis is also a valuable tool for the diagnosis of combined immunodeficiency in Arabian horses.

Total Protein, Pre-Albumin, Albumin, globulins (Alpha globulin, Beta globulin, Gamma globulin) are assessed in automated capillary electrophoresis machines.