Has bactericidal activity. Potent activity against C.jejuni, C.perfringens, S.aureus, C.albicans and S.cerevisiae. Less potent against S.typhimurium and E.coli. Strong expression in the testis, liver, gall bladder, kidney, esophagus and crop. Also expressed in the glandular stomach, ovary and male and female reproductive tracts. Low expression in the intestinal tract. Expressed in the ovarian stroma, but not in the ovarian follicles. Belongs to the beta-defensin family.