Abstract
Fecal shedding of Salmonella spp in feedlot cattle is an important component of pre-harvest food safety. Prevalence of salmonella in feedlot cattle varies and may be influenced by factors affecting hindgut and environmental ecology. Feedlots in the Texas Panhandle have begun to incorporate wet corn distiller's grains (WDGS) in their rations due to the increase in starch-based ethanol production in the region. Previous research has identified an association between feeding distiller's grains and shedding of E.coli O157:H7. These findings indicate that changes in starch, fiber, and fat composition of rations containing WDGS may impact hindgut ecology favoring the colonization and shedding of specific microorganisms. The objective of this study was to estimate the association between feeding WDGS and fecal shedding of Salmonella spp in feedlot cattle.
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