Development of an effective treatment for the reduction of Campylobacter jejuni on chicken carcasses by resonant ultrasonication and microbubbles

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Healthy chickens are considered as reservoirs for campylobacters and the organisms colonize in the intestinal tract. Contamination of chicken carcasses with C. jejuni and C. coli occurs over the entire skin surface during processing. In this study, an effective treatment for decontaminating campylobacters using naturally contaminated chicken carcasses was developed. The present study showed that combinations of decontamination techniques of chicken carcasses immerse in cetylpiridinium chloride, vacuum, and ultrasonic generator for water resonance, were highly effective to reduce campylobacters on the skins of carcasses with naturally contaminated chickens.