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REGULATIONS AND DIRECTIVES DEVELOPMENT


Pathogen Reduction
A Scientific Dialogue
Panel 4
Intervention Strategies
Reduction of Contamination at Slaughter
May 7, 2002

 

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Slide 1 of 31 - Pathogen Reduction A Scientific Dialogue Panel 4: Intervention Strategies - Reduction of Contamination at Slaughter John N. Sofos, May 7, 2002

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Slide 2 of 31 - Decontamination Processes or Interventions

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Slide 3 of 31 - Animal Cleaning and Hair Removal

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Slide 4 of 31 - Animal Cleaning and Hair Removal

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Slide 5 of 31 - Title Slide - Chemical Dehairing

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Slide 6 of 31 - Chemical Dehairing

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Slide 7 of 31 - Knife Trimming and Steam-Vacuuming

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Slide 8 of 31 - Knife Trimming and Steam-Vacuuming

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Slide 9 of 31 - Title Slide - Carcass Washing and Decontamination

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Slide 10 of 31 - Whole (pre-evis) or half (before chilling) Carcass

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Slide 11 of 31 - Carcass Decontamination Before Evisceration

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Slide 12 of 31 - Final Carcass Water Washing, Thermal Decontamination, Chemical Decontamination

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Slide 13 of 31 - Chemical Decontamination

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Slide 14 of 31 - Other Chemical Decontaminations After Carcass Washing, Other Decontamination Processes After Carcass Washing

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Slide 15 of 31 - Title Slide - Multiple Combained and/or Sequential Decontamination

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Slide 16 of 31 - Decontamination with Multiple Interventions

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Slide 17 of 31 - Commercial Beef Carcass Decontamination in 6 Plants

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Slide 18 of 31 - Title Slide - Carcass Washing and Decontamination Concerns

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Slide 19 of 31 - Concerns Associated with Decontamination Processes

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Slide 20 of 31 - Salmonella in 4 Steer/Heifer and 3 Cow/Bull Plants, Animal Type and Season Variation

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Slide 21 of 31 - Animal Lot and Plant Variation in Carcass Contamination with E.Coli 0157:H7 (Percent Postive)

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Slide 22 of 31 - Decontamination Intervention Concerns

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Slide 23 of 31 - Title Slide - Recontamination Concerns and Potential for Post-Slaughter Decontamination

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Slide 24 of 31 - Contamination Concerns Following Slaughter

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Slide 25 of 31 - Carcass Fabrication Concerns

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Slide 26 of 31 - Graph for Mean TPC On Carcasses, Belts & Subprimals as Processing Time Progressed

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Slide 27 of 31 - Graph on Acid-Adapted Listeria Monocytogenes in Vacuum Packaged Beef

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Slide 28 of 31 - Title Slide - Questions/Concerns/Issues

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Slide 29 of 31 - Questions/Concerns/Issues

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Slide 30 of 31 - Summary

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Slide 31 of 31 - Summary (Continued)

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Last modified: March 18, 2004