Electrophoretic separation of serum proteins from gray squirrels.

Serum proteins of gray squirrels were electrophoretically separated into 7 fractions as compared with the 5 fractions obtained from human serum. The mobility of the albumin fraction was approximately the same for both human and squirrel serums. The prealbumin fraction did not vary significantly in the percentage for squirrels bled at different times of the year. Immunoelectrophoresis patterns showed squirrel serum had a small number of fractions with the same antigenic characteristics as human serum.