Summary. Proteins of ram epididymal fluid, seminal plasma, accessory gland fluid and blood serum were fractionated by electrophoresis. Nineteen bands of different mobilities were observed by disc electrophoresis. Immunoelectrophoresis revealed sixteen precipitation arcs in epididymal fluid and seminal plasma and fourteen in blood serum, following absorption with the antiserum against epididymal fluid. These results indicate that most of the epididymal fluid and seminal plasma proteins of the ram have antigens in common with blood serum.
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Alumot et al. (1971) studied this question.