On day 21 and 42, 6 birds per treatment were randomly selected to measure blood immunoglobulin M (IgM) and immunoglobulin A (IgA), production of reactive oxygen intermediates (ROI) and duodenal secretory IgA.
On 21 and 42, six birds per treatment were randomly selected to measure immunoglobulin blood M (IgM) and immunoglobulin A (IgA), the production of intermediary oxygen (ROI) and secretory IgA. duodenal