Experimental Salmonella enterica infection in market-weight pigs

Date
2009-01-01
Authors
Rostagno, Marcos
Eicher, S.
Lay, D.
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Abstract

Market pigs infected with Salmonella pose significant food safety risk by carrying the pathogen into abattoirs. A study was conducted to determine the dynamic of Salmonella infection in market-weight pigs (220-240 lbs.). Pigs (n=24) were individually inoculated (intranasally; 108 cfu/mL) with Salmonella enterica serovar Typhimurium. Fecal samples were collected from each pig, and 3 pigs were randomly selected and euthanized to collect additional samples (spleen, liver, mesenteric lymph node, ileal and cecal contents) on days 1, 2, 7, 14, 21, 28, 35, and 42 post-inoculation (p.i.).

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