Vaccination against Lawsonia intracellularis decreases shedding of Salmonella enterica serovar typhimurium in co-infected pigs and changes the host gut microbiome

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2017-01-01
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Leite, Fernando
Gebhart, Connie
Singer, Randall
Isaacson, Richard
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International Conference on the Epidemiology and Control of Biological, Chemical and Physical Hazards in Pigs and Pork
Iowa State University Conferences and Symposia

The SafePork conference series began in 1996 to bring together international researchers, industry, and government agencies to discuss current Salmonella research and identify research needs pertaining to both pig and pork production. In subsequent years topics of research presented at these conferences expanded to include other chemical and biological hazards to pig and pork production.

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Abstract

Salmonella enterica is a leading cause of foodborne illness in the world. Attribution studies have suggested pork as a major source for human salmonellosis in different countries (Mughini-Gras et al., 2013, Pires et al., 2014). In the United States, efforts to reduce the incidence of salmonellosis have mainly remained ineffective, the incidence of salmonellosis has not been reduced appreciably since 1996 (Boore et al., 2015). There is a consensus in the field that there is a lack of on farm cost-effective strategies to reduce the prevalence of salmonellosis (Dickson & Hurd, 2013). The source of S. enterica that contaminates pork products are the animals themselves (Dickson & Hurd, 2013) and novel intervention strategies are much needed.

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Sun Jan 01 00:00:00 UTC 2017