#02-135

Complete

Date Full Report Received

07/31/2003

Date Abstract Report Received

07/31/2003

Investigation

Institution:
Primary Investigator:
Co-Investigators: Jeffrey T. Gray PhD, Scott Hurd

Previous studies have suggested strongly that the lairage is a source of Salmonella to swine. Using more refined tools to determine relatedness between isolates we have reinforced this finding. More importantly however it appears that some serotypes of Salmonella may be more able to “transfer” from the pen to the pig.