Fimbrie adhæsinerne F4ab, F4ac, F5 og F6 er ansvarlige for virulensen hos de E. coli stammer, der forårsager neonatal enterotoksikose hos smågrise.
The fimbrial adhesins F4ab, F4ac, F5 and F6 are responsible for the adhesion and the virulence of E. coli strains, which cause neonatal enterotoxicosis in piglets.