U.S. Department of Agriculture, Food Safety and Inspection Service, Office of Planning, Analysis and Risk Management, 1400 Independence Avenue S.W., Washington, DC 20024.
Office of Public Health Science, 1400 Independence Avenue S.W., Washington, DC 20024.
J Food Prot. 2020 Sep 1;83(9):1598-1606. doi: 10.4315/JFP-20-010.
Ready-to-eat (RTE) meat and poultry product samples collected between 2005 and 2017 from RTE-producing establishments for the U.S. Department of Agriculture, Food Safety and Inspection Service (FSIS) ALLRTE/RTEPROD_RAND (random) and RTE001/RTEPROD_RISK (risk-based) sampling projects were tested for Listeria monocytogenes (Lm). Data for 45,897 ALLRTE/RTEPROD_RAND samples collected from 3,607 distinct establishments and 112,347 RTE001/RTEPROD_RISK samples collected from 3,283 distinct establishments were analyzed for the presence of Lm. These data were also analyzed based upon the percentages of establishments with positive samples, annual production volume, sanitation control alternatives, geographic location, and season or month of sample collection. Results revealed low occurrence of Lm-positive samples from the random and risk-based sampling projects, with 152 (0.33%) positive samples for ALLRTE/RTEPROD_RAND and 403 (0.36%) positive samples for RTE001/RTEPROD_RISK. The percentage of positive samples significantly decreased over time, from about 0.7% in 2005 and 2006 to about 0.2% in 2017 (P < 0.05). From 2005 to 2017, 3.9% of establishments sampled under the ALLRTE/RTEPROD_RAND sampling project had at least one Lm-positive sample. Similarly, 10.0% of establishments sampled under the RTE001/RTEPROD_RISK sampling project had at least one positive sample. Samples positive for Lm were found in all geographic regions in all months. Thus, in 13 years of RTE product sampling in FSIS-regulated establishments (2005 through 2017), <0.4% of samples were positive for Lm in both risk-based and random sampling projects. The low prevalence of Lm in these products suggests that the combination of FSIS policies and industry practices may be effective for controlling Lm contamination. Information obtained from these sampling projects is relevant to the ongoing prevention of foodborne Lm illnesses from RTE meat and poultry products.
美国农业部食品安全检验局（FSIS）的 ALLRTE/RTEPROD_RAND（随机）和 RTE001/RTEPROD_RISK（基于风险）采样项目从 2005 年至 2017 年期间收集了即食（RTE）肉类和家禽产品样本，用于检测单核细胞增生李斯特菌（Lm）。对从 3607 个不同的生产单位采集的 45897 个 ALLRTE/RTEPROD_RAND 样本和从 3283 个不同的生产单位采集的 112347 个 RTE001/RTEPROD_RISK 样本进行了 Lm 存在情况分析。还根据阳性样本的生产单位百分比、年生产总量、卫生控制替代方法、地理位置以及采样的季节或月份对这些数据进行了分析。结果显示，随机和基于风险的采样项目中 Lm 阳性样本的发生率较低，ALLRTE/RTEPROD_RAND 有 152 个（0.33%）阳性样本，RTE001/RTEPROD_RISK 有 403 个（0.36%）阳性样本。阳性样本的百分比随时间显著下降，从 2005 年和 2006 年的约 0.7%下降到 2017 年的约 0.2%（P<0.05）。从 2005 年至 2017 年，在 ALLRTE/RTEPROD_RAND 采样项目中采样的 3.9%的生产单位至少有一个 Lm 阳性样本。同样，在 RTE001/RTEPROD_RISK 采样项目中采样的 10.0%的生产单位至少有一个阳性样本。所有月份均在所有地理区域发现了 Lm 阳性样本。因此，在 FSIS 监管的生产单位进行的 13 年 RTE 产品采样（2005 年至 2017 年）中，基于风险和随机采样项目中，<0.4%的样本 Lm 阳性。这些产品中 Lm 的低流行率表明，FSIS 政策和行业实践的结合可能有效控制 Lm 污染。从这些采样项目获得的信息与预防食源性单核细胞增生李斯特菌病从即食肉类和家禽产品有关。
