Prevalence and Antimicrobial Susceptibility of Salmonella Serovars Isolated from U.S. Retail Ground Pork.

Paul R Broadway, J Brooks, D F Mollenkopf, Maria Calle Madrid, Guy Loneragan, Markus Miller, Jeffery Carroll, Burdick Sanchez, T E Wittum

Research output: Contribution to journalArticlepeer-review

Abstract

One objective of this study was to determine overall prevalence of Salmonella in ground pork from U.S. retail<br>stores over three seasons including both case-ready and store-ground packages. Package types collected included:<br>overwrap, chub, modified atmosphere packaging, and other (plastic or wax paper wrapped). Because package type<br>represents different production systems and are subject to varied microbiological government regulation and testing<br>methodologies, both USDA-FSIS and FDA Salmonella isolation protocols were performed. Another objective of<br>the study was to determine serotypes and antimicrobial susceptibility profiles of the isolates obtained from the<br>ground pork samples. Ground pork aliquots were subjected to real-time PCR. Recovered isolates were serotyped<br>and minimum inhibitory concentration analysis to 15 antimicrobials was determined using microbroth dilution.<br>Overall prevalence of Salmonella in ground pork from the 865 samples collected was 1.39%.
Original languageEnglish
Pages (from-to)219-227
JournalDefault journal
StatePublished - Jan 20 2021

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