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It is well established that glucocorticoids are key regulators of the immune system and act as immunosuppressive agents in high concentrations. In the pig, effects on the gut immune system and trafficking of lymphocytes between tissues and blood plasma were not investigated so far.Twelve pigs of 70kg were fed 0.4mg portions of dexamethasone (Dexa) twice daily for 9 days or remained untreated (controls)...