Example of a microbiological criterion (MC) for verifying the performance of a food safety control system: Campylobacter Performance Target at end of processing of broiler chickens |
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| Affiliation: | 1. Division Veterinary Public Health, Institute for Risk Assessment Sciences, Utrecht University, Utrecht 3508 TD, The Netherlands;2. MEYN Food Processing Technology B.V., Oostzaan, 1511 MA, The Netherlands;3. Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, 3720 BA, The Netherlands;4. Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht 3508 TD, The Netherlands;5. Central Veterinary Institute of Wageningen UR, Lelystad, The Netherlands;6. WHO-Collaborating Center for Campylobacter/OIE Reference Laboratory for Campylobacteriosis, Utrecht/Lelystad, The Netherlands;7. Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA;8. Department of Animal Sciences, University of Florida, Gainesville, FL, USA;1. Ghent University, Faculty of Veterinary Medicine, Department of Veterinary Public Health and Food Safety, Salisburylaan 133, 9820 Merelbeke, Belgium;2. Ghent University, Faculty of Bioscience Engineering, Department of Food Safety and Food Quality, Coupure Links 653, 9000 Gent, Belgium;1. CSIRO Animal, Food and Health Sciences, 39 Kessels Road, Coopers Plains, Brisbane 4108, Australia;2. The University of Queensland, Queensland Alliance for Agriculture and Food Innovation, 41 Boggo Road, Dutton Park, Brisbane 4102, Australia;3. The University of Queensland, School of Veterinary Science, Gatton 4343, Australia;4. CSIRO Animal, Food & Health Sciences, Werribee, Australia |
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| Abstract: | New Zealand has focused on improving the food safety control systems for slaughter and dressing of broiler chickens in order to get a reduction in Campylobacter levels on carcasses at the end of primary processing. Each processor decides which good hygienic practice-based and hazard-based control measures to apply. Codex guidelines provide valuable information to assist with these decisions. To verify that the resulting control systems are effective, New Zealand established a microbiological criterion for Campylobacter which is applied after slaughter and dressing and initial chilling of broiler chickens. New Zealand calls this a regulatory Campylobacter Performance Target (CPT). Samples are tested by a direct plate enumeration method. Results are analysed using a “moving window approach” to aid data interpretation and decision-making. A “moving window limit” failure occurs when the log count for seven or more out of 45 samples in the moving window are greater than the established target of 3.78 log10 cfu/carcass. If processors meet the “target” this verifies that their process is under control. If processors fail the “target” they are expected to take corrective actions to restore control. If the processor's actions do not restore control in a timely fashion, the regulator applies further controls. This example is based on actual data from New Zealand poultry processers. The application of this microbiological criterion is flexible and other countries may be able to adapt this approach to suit their particular circumstances. |
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| Keywords: | Hazard Poultry Moving window Microbiological criterion |
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