Fig. 1

Immunohistochemical expression of IgA in the jejunum of animals from all experimental groups. The same sections were used, at different magnifications for histomorphometry and count of IgA producing cells. 1A: Control day 15, 1B: FS day 15, 2A: Control day 30, 2B: FS day 30, 3A Control day 45, 3B FS day 45