ISSUE FOCUS 42 FEED & ADDITIVE MAGAZINE June 2025 within restaurants. In cases where contamination is detected, affected products can be removed from circulation promptly, minimizing the risk to customers. 3. Separation of raw and cooked food handling areas: Cross-contamination can be reduced by establishing dedicated areas and utensils for handling raw and cooked foods. For instance, separate workspaces for salad preparation and burger assembly can prevent contact between potentially contaminated raw ingredients and ready-to-eat items. Staff training on the importance of these practices is essential to their successful implementation. 4. Supplier standards and transparent audits: Supplier chains must ensure that suppliers adhere to strict food safety protocols, including regular sanitation and testing practices. Supplier audits conducted by independent third parties can help verify compliance and identify any gaps in food safety practices. Transparency in these audits can also build consumer trust, as customers are more likely to feel reassured when they know safety checks are in place. 5. Implementation of High-Pressure Processing (HPP): High-pressure processing (HPP) effectively reduces bacterial contamination in foods without using heat, which can be particularly beneficial for items like fresh produce that are often served raw. HPP uses high levels of pressure to kill pathogens, including E. coli. However, as HPP provokes changes in the structure of vegetable cell walls, it is unsuitable for salads and other leafy greens. 6. Enhanced employee training on hygiene practices: Proper hygiene practices are fundamental in preventing contamination. Employees must wash their hands frequently, especially after handling raw foods. Fast-food chains should provide thorough training on proper food safety protocols, including how to handle food items safely and maintain a clean working environment. 7. Crisis response protocols and traceability systems: In the event of an outbreak, rapid response is critical. Fast-food companies should have crisis protocols in place that include steps for immediate product recalls, customer notifications, and investigation procedures. Improved traceability systems can also allow companies to track the source of contamination quickly, limiting the spread and reducing the impact on consumers. 8. Preventing infections with harmful enteropathogens already in the animal: To get “clean” animals arriving at the slaughterhouse, already the farmer must aspire to prevent/treat infections of the animals with pathogens possibly provoking foodborne diseases. For this purpose, the farmer can resort to vaccines and feed supplements supporting gut health, both for prevention and on medicine such as antibiotics when treatment is needed. A PATH FORWARD: STRENGTHENING FOOD SAFETY STANDARDS This new E. coli outbreak in the fast-food industry highlights the ongoing challenges of maintaining food safety standards at all food preparation and distribution stages. By implementing stricter cooking standards, enhancing biosecurity measures, enforcing supplier compliance, and improving traceability, fast-food chains like McDonald’s can significantly reduce the risk of E. coli contamination. Ultimately, consumer protection depends on a multifaceted approach that integrates strong hygiene practices, supplier oversight, and advanced technology in food safety. Through these measures, companies can work to restore consumer confidence, minimize health risks, and set a standard for food safety across the industry. About Dr. Inge Heinzl Earning her PhD on Agriculture from the University of Munich, Inge Heinzl has a long experience working in animal nutrition. For the last 15 years she has been working in EW Nutrition, collaborating with product managers and technical managers on topics such as gut health with reduced antibiotic use, egg immunoglobulins for swine and ruminants, and feed quality, with particular emphasis on mycotoxins and endotoxins.
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