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ScientificWorldJournal. 2015;2015:520179. doi: 10.1155/2015/520179. Epub 2015 Jan 13.

Salmonella enterica: survival, colonization, and virulence differences among serovars.

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Department of Food Science and Technology, University of Tennessee, 2605 River Drive, Knoxville, TN 37996, USA.


Data indicate that prevalence of specific serovars of Salmonella enterica in human foodborne illness is not correlated with their prevalence in feed. Given that feed is a suboptimal environment for S. enterica, it appears that survival in poultry feed may be an independent factor unrelated to virulence of specific serovars of Salmonella. Additionally, S. enterica serovars appear to have different host specificity and the ability to cause disease in those hosts is also serovar dependent. These differences among the serovars may be related to gene presence or absence and expression levels of those genes. With a better understanding of serovar specificity, mitigation methods can be implemented to control Salmonella at preharvest and postharvest levels.

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