SECRETORY IMMUNOGLOBULINS OE DESI DUCKS* {ANASPLATYRHYNCOSDOMESTICUS)

Abstract

Globulins from bile and tracheal, intestinal and oviduct washings of desi ducks aged 3-4 months were precipitated with 45 per cent ammonium sulphate and fractionated by Sephadex G-200 gel filtration chromatography. The various peaks obtained from different samples were analysed by agar gel precipitation test and immunoelectrophoresis. One peak was obtained for bile which was identified as 7.8s Ig. The two peaks obtained for tracheal and oviduct Ig were identified as 7.8s IgG and 5.7s IgG. The single peak of intestinal Ig was identified to be 7.8s IgG. Though IgM in tracheal washings and IgM related Ig in bile could not be resolved nor could it be demonstrated in the void volume could perhaps be due to its low concentration, but it was possible to give some evidence of its presence in these secretions iri desi ducks.