Future studies will examine the CNP vaccine potential to convey cross-protection against heterologous Salmonella serovars, the efficacy of the CNP vaccine in reducing S. Enteritidis loads in ready-to-eat carcasses, and the relationship between the CNP vaccine and the Th17/IL-17 immune response to explore the role of Th17 cells and IL-17 cytokines on Salmonella infections in broilers. The gene discussed is IL17A; the disease is Salmonella Infections.