北京部分市售整鸡中沙门菌和弯曲菌协同定量污染研究

发布时间：2018-07-28 19:38

【摘要】：目的对2013年北京部分市售整鸡样品中沙门菌和弯曲菌的定量污染水平、沙门菌血清型和弯曲菌种水平分布进行研究。方法 2013年5—7月采集北京市售整鸡样品33份,进行样品中沙门菌和弯曲菌的定量检测,并分别对沙门菌和弯曲菌进行血清分型和种水平鉴定。结果 19个样品检出沙门菌,检出率为57.6%;5个样品检出弯曲菌,检出率为15.2%;阳性样品中沙门菌和弯曲菌平均污染水平分别为119.4 MPN/100g和58.6 CFU/g。分离出的166株沙门菌被鉴定为14种血清型,最常见的为肠炎沙门菌,其次为印第安纳沙门菌。从同一样品中分离到共11种2个以上不同血清型组合的沙门菌,最常见的血清型组合为肠炎-印第安纳沙门菌。结论 2013年5—7月北京部分市售整鸡中沙门菌污染率较高、污染水平严重、血清型复杂。
[Abstract]:Objective to study the quantitative contamination levels of Salmonella and Campylobacter, the distribution of Salmonella serotype and campylobacter species in some chicken samples sold in Beijing in 2013. Methods 33 chicken samples were collected from Beijing from May to July, 2013. Salmonella and Campylobacter in the samples were detected quantitatively, and the serotyping and species identification of Salmonella and Campylobacter were carried out respectively. Results Salmonella was detected in 19 samples, and campylobacter was detected in 5 samples. The average contamination levels of Salmonella and Campylobacter in positive samples were 119.4 MPN/100g and 58.6 CFU / g, respectively. 166 strains of Salmonella were identified as 14 serotypes, the most common of which was Salmonella enteritidis, followed by Indiana Salmonella. A total of 11 different serotype combinations of Salmonella were isolated from the same sample. The most common serotype combination was Salmonella enteritidis. Conclusion the contamination rate of salmonella is high, the pollution level is serious, and the serotype is complex in some whole chickens sold in Beijing from May to July 2013.
【作者单位】：国家食品安全风险评估中心卫生部食品安全风险评估重点实验室;
【基金】：科技部863计划(No.2012AA101603)
【分类号】：R155.5

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