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Published on: March 5, 2014
Food safety through the meat supply chain
1Meat and Livestock Commission, Milton Keynes, UK.
Escherichia coli O157:H7 (E. coli O157:H7) poses a significant food poisoning threat due to its low infective dose. Enhanced meat hygiene practices and Hazard Analysis of Critical Control Points (HACCP) are crucial for controlling its spread.
Area of Science:
- Food Safety
- Microbiology
- Public Health
Background:
- Food poisoning incidence from Salmonella has plateaued, but Campylobacter and Escherichia coli O157:H7 (E. coli O157:H7) are increasing.
- E. coli O157:H7 is highly virulent, has a low infective dose, and can cause severe illness or death.
- Previous outbreaks, like the 1996 Lanarkshire incident, highlight the urgent need for improved food safety measures.
Purpose of the Study:
- To review key areas of meat hygiene discussed in the Pennington Group report.
- To assess strategies for controlling E. coli O157:H7 in food production and handling.
- To emphasize the importance of risk assessment and practical guidelines in preventing foodborne illnesses.
Main Methods:
- Review of the Pennington Group report's findings on meat hygiene.
- Analysis of current and recommended practices in abattoirs and meat processing.
- Examination of educational initiatives for food handlers and consumers.
Main Results:
- E. coli O157:H7 is heat-sensitive (destroyed at 70°C for 2 min) but acid-tolerant (survives at pH 4.2).
- Implementation of Hazard Analysis of Critical Control Points (HACCP) in abattoirs is recommended.
- Research into end-process treatments like steam pasteurization is ongoing.
Conclusions:
- On-farm practices, abattoir hygiene, and end-process treatments are vital for controlling E. coli O157:H7.
- HACCP implementation and clear handling guidelines are essential for reducing foodborne risks.
- Continuous improvement in meat hygiene practices is necessary to protect public health.
Related Concept Videos
Pasteurization and Food Preservation
Sources of Food Contamination
Principles of Food Preservation
Methods of Controlling Food Spoilage
Hazard Analysis and Critical Control Points (HACCP)
Investigation of Disease Outbreaks

