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Electrophoresis of buffalo (bos bubalis) serum proteins including immunoglobulins.

ABSTRACT

Antigenic components of buffalo (Bos bubalis) serum, which were also components of buffalo colostrum, seminal plasma, milk whey, saliva, and tears, were investigated by the ager gel diffusion test and immunoelectrophoresis. Immunoglobulins of buffalo serum were identified by immunoelectrophoresis employing rabbit-anti-buffalo serum and rabbit-anti-buffalo gamma-globulin. Based on immunoelectrophoretic patterns immunoglobulin G (IgG), IgGA, and IgM were detected both in the serum and colostrum of buffaloes. Tears contained both IgG and IgM. Cross-reactions of buffalo serum with seminal plasma, saliva, and milk whey were observed only in the IgG region. By polyacrylamide gel electrophoresis, lipoprotein (5.2% +/- 0.41), IgM (11.4% +/- 3.1), IgG (9.4% +/- 0.98), haptoglobin 21.8% +/- 3.73), transferrin (10.4% +/- 2.15), ceruloplasmin (7.8% +/- 1.3), postalbumin (20.8% +/- 2.09), and albumin (13.7% +/- 0.75) were identified provisionally.