Article
Vaccinal properties of Salmonella abortusovis mutants for streptomycin: screening with an ovine model.
Annales de recherches veterinaires. Annals of veterinary research - 1 Jan 1990
Pardon P, Marly J, Lantier F, Sanchis R
Abstract excerpt
Living attenuated vaccines may help control infection with Salmonella enterica subspecies enterica ser abortusovis in sheep without constraints incompatible with husbandry. Virulence and immunogenicity of 2 Abortusovis streptomycin-dependent strains and 3 reverse mutants were compared in sheep, the virulent parental strain Abortusovis 15/5 being used as reference. Reduction of virulence with conservation of some...
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