challenge.\ At 0d of age, chickens were orally vaccinated with either PBS (control-challenged) or different doses of outer membrane + flagellin proteins: 000μg, 0000 μg, or 0000 μg, loaded into CNP. The same route of delivery and doses was repeated at d0 of age. At d00 of age, birds were challenged with live *S*. Enteritidis (0.0 x 00^0^ CFU/bird). 