Control of Listeria in Processing Plants - bioMÃ©rieux

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Environmental Monitoring for Niches andTransfer PointsMonitoring for Listeria sp.• Rationale is that Listeria species survive and grow under similarconditions to L. monocytogenes.• Listeria sp. are more prevalent than L. monocytogenes.• Therefore, they are a good indicator of conditions that mightharbor or allow growth of L. monocytogenes.Objective of environmental sampling is to identifyniches and transfer points.Allowing corrective actions to be implemented.
% PositiveSurveillance of Listeria in Processing Plant302520Floors151050Packaging LinesDec Jun Dec Jun Dec Jun Dec Jun1989 1990 1991 1992From: R.B. Tompkin
Page 1 and 2: Control of Listeria in Processing P
Page 3 and 4: Significance of Listeria monocytoge
Page 5 and 6: Reasons for FSIS Recalls - 2011Ex M
Page 7 and 8: Food Recalls - Listeria monocytogen
Page 9 and 10: Critical Aspects of Preventing Post
Page 11 and 12: Microbial Mapping of the Plant Envi
Page 13 and 14: Sanitary ZonesZone 1Zone 2Zone 3Zon
Page 15 and 16: Growth NichesLocations harboring th
Page 17: Transfer Points vs NichesMany posit
Page 21 and 22: Use of Sub-Typing as a ToolPulsed-F
Page 23 and 24: SummaryMany recalls due to L. monoc
Page 25: Thank you!

Control of Listeria in Processing Plants - bioMÃ©rieux

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