Salmonella choleraesuis and vaccine containing the same

JH Lin, MJ Pan, JP Wang, MW Hsieh, CN Weng

The present invention provides Salmonella choleraesuis and a live vaccine containing the same as an active ingredient. Said Salmonella choleraesuis has a genotype of ΔssaV, ΔaroA, and ΔyejF. Because of said genotype, the virulence of said Salmonella choleraesuis is reduced, and said live vaccine has better safety than conventional ones.