Preventing Campylobacter at the source: why is it so difficult?

Area of Science:

• Food safety
• Zoonotic diseases
• Microbiology

Background:

• Campylobacteriosis is a leading bacterial zoonosis in the EU and US, causing gastrointestinal illness and long-term sequelae like Guillain-Barré syndrome.
• Poultry is identified as the primary reservoir, contributing to up to 80% of human Campylobacter infections, with 30% linked to poultry meat consumption and preparation in the EU.

Purpose of the Study:

• To review the current challenges and propose future strategies for controlling Campylobacter contamination in the poultry meat production chain.
• To highlight the need for a shift from complete eradication to a risk-based, multilevel approach for reducing contamination.

Main Methods:

• Review of attribution studies identifying poultry as the main source of human Campylobacter infections.
• Analysis of the effectiveness and limitations of current intervention measures in the poultry industry.
• Discussion of economic and consumer acceptance factors influencing intervention strategies.

Main Results:

• Poultry meat is a significant source of human Campylobacter infections.
• Existing interventions (e.g., biosecurity) have shown limited effectiveness or face practical barriers.
• Targeted interventions have been successful in specific regions like Iceland and New Zealand.

Conclusions:

• A multilevel approach is necessary to reduce Campylobacter contamination in consumer poultry products.
• Focusing on reducing contamination levels, rather than complete absence, is a more feasible strategy.
• Future strategies should consider economic viability and consumer acceptance.