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Trukey biliary and gut IgA were isolated and monospecific antisera were prepared in rabbits. Isolation was accomplished by filtration of precipitated globulins on Sephadex G-200 followed by step-wise-elution DEAE ion-exchange chromatography. Using an immunodiffusion procedure, IgA was detected in turkey serum, saliva, lacrimal secretions, bile, gut washings, and tracheal washings. No IgA was detected in hatching-poult serum, egg white, or yolk. Two forms of IgA (high and low molecular weight) were detected in different body fluids.
Trukey biliary and gut IgA were isolated and monospecific antisera were prepared in rabbits. Isolation was accomplished by filtration of precipitated globulins on Sephadex G-200 followed by step-wise-elution DEAE ion-exchange chromatography. Using an immunodiffusion procedure, IgA was detected in turkey serum, saliva, lacrimal secretions, bile, gut washings, and tracheal washings. No IgA was detected in hatching-poult serum, egg white, or yolk. Two forms of IgA (high and low molecular weight) were detected in different body fluids.