Evaluation of Salmonella Typhimurium fecal shedding in pigs vaccinated with Salmonella Choleraesuis-Typhimurium vaccine via drinking water and challenged four weeks later

摘要

Salmonella enterica serovar Typhimurium (ST) and Salmonella Choleraesuis are prevalent pathogens in swine. ST is a primary cause of enteritis and subclinical production losses in growing or finishing swine and contributes to environmental and carcasscontamination.' Due to the zoonotic potential, intervention programs for ST have been established across the world attempting to reduce carcass contamination with the ultimate goal of reducing human salmonellosis cases.The objective of this study was toevaluate .ST fecal shedding of pigs vaccinated with a commercial, attenuated live culture (ALC) Salmonella Choleraesuis-Ty-phimurium vaccine when challenged with virulent ST four weeks post-vaccination.