CD79A and infection due to clostridium perfringens: These results suggest that L. lactis treatment increased local IgA+ and IgY+ B cells frequency within the duodenum, jejunum and ileum similar to SFB and L. lactis treated mice (Norton et al., 1994; Ivanov et al., 2009) likely resulting in secretion of polyreactive antibodies prior to C. perfringens infection.