Colonization of a newly constructed commercial chicken further processing plant with Listeria monocytogenes

Journal of Food Protection
Mark E BerrangScott R Ladely

Abstract

This study was undertaken to determine potential sources of Listeria monocytogenes in a newly constructed chicken further processing plant and document the eventual colonization of the facility by this pathogen. To ascertain the colonization status of the plant, floor drains were sampled after a production shift and again after a cleanup shift on roughly a monthly basis for 21 months. Potential sources of L. monocytogenes to the plant included incoming raw meat, incoming fresh air, and personnel. Nearby environment and community samples were also examined. All L. monocytogenes detected were subjected to DNA sequence-based subtyping. L. monocytogenes was not detected in the plant before the commencement of processing operations. Within 4 months, several subtypes of L. monocytogenes were detected in floor drains, both before and after cleaning and sanitizing operations. No L. monocytogenes was detected on filters for incoming air, samples associated with plant employees, or a nearby discount shopping center. One subtype of L. monocytogenes was detected in a natural stream near the plant; however, this subtype was never detected inside the plant. Eight subtypes of L. monocytogenes were detected in raw meat staged for further proce...Continue Reading

References

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Citations

Dec 25, 2012·Emerging Infectious Diseases·Sara LomonacoStephen Knabel
Apr 3, 2019·Microbiology Resource Announcements·Victoria López-AlonsoJoaquín V Martínez-Suárez
Sep 18, 2012·Journal of Food Protection·Mark E Berrang, Joseph F Frank
Feb 25, 2015·Journal of Food Protection·Thomas J V MalleyMartin Wiedmann
Dec 18, 2018·Frontiers in Microbiology·Florentina Ionela BucurAnca Ioana Nicolau
Aug 3, 2017·Foodborne Pathogens and Disease·Anderson Carlos CamargoLuís Augusto Nero
Dec 14, 2017·Euro Surveillance : Bulletin Européen Sur Les Maladies Transmissibles = European Communicable Disease Bulletin·John Mair-JenkinsRichard Puleston
Sep 11, 2018·International Journal of Food Microbiology·Beatriz MeleroDavid Rodriguez-Lázaro
Aug 23, 2012·Poultry Science·S R MililloS C Ricke

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