Diseases associated with E. coli In swine, diseases associated with pathogenic Escherichia coli (E. coli) mainly affect piglets in the neonatal and post-weaning periods. In newborn piglets, the E. coli involved are essentially enterotoxin-producing strains (STa, STb, and/or LT) and possessing colonization factors (particularly F4, F5, and/or F6). These E. coli are called enterotoxigenic E. […]