期刊
COMPREHENSIVE REVIEWS IN FOOD SCIENCE AND FOOD SAFETY
卷 21, 期 1, 页码 227-271出版社
WILEY
DOI: 10.1111/1541-4337.12860
关键词
chemical decontamination; mitigation strategies; physical decontamination; poultry processing
资金
- Frank E. Mussehl and Inez L. Mussehl Poultry Research Fund, University of Nebraska Foundation
This study conducted a systematic review and meta-analysis to quantify the effects of processing stages and interventions on the prevalence and concentration of Campylobacter on broiler carcasses. The results showed that scalding and chilling significantly reduce the prevalence and concentration of Campylobacter, while defeathering and evisceration stages may increase both prevalence and concentration. Chemical and physical processing interventions have limited efficacy in reducing concentration and prevalence.
Systematic review and meta-analysis were conducted to quantify the effects of processing stages and interventions on the prevalence and concentration of Campylobacter on broiler carcasses. To comprehensively capture relevant evidence, six databases were searched using the keywords Campylobacter and broiler chicken. The literature search yielded 10,450 unique citations, and after applying predetermined inclusion and exclusion criteria, 72 and 53 relevant citations were included in meta-analyses for processing stages and interventions, respectively. As the two primary outcomes, log reduction and prevalence changes were estimated for each stage or intervention using a random-effects meta-analysis approach whenever possible. The outcome-level quality assessment was conducted following the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach. The analysis revealed that scalding and chilling majorly reduces the prevalence and concentration of Campylobacter. Immersion chilling reduces the concentration regardless of chemical additives, but its effect on prevalence is not conclusive. The effects of carcass washing applications remain uncertain due to the inconsistency and imprecision of both outcomes. Defeathering and evisceration were identified as stages that can increase both prevalence and concentration. Both chemical and physical processing interventions provide limited efficacy in concentration and prevalence reduction. Major limitations of the review were inconsistency and imprecision at the outcome level and reporting issues and data gaps at the study level. The results are expected to inform quantitative microbial risk assessment model development and support evidence-based decision-making.
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