在东非农村环境中,沿猪肉价值链的非类风性沙门氏菌污染:一个横截面研究
Cianjo M Gichuyia1,2, Lian F Thomas2,3, Christine Makena1,2
1Department of Public Health, Pharmacology and Toxicology, University of Nairobi, P. O. Box 29053-00625, Kangemi, Kenya.
概括
非伤寒型沙门氏菌 (NTS) 在肯尼亚西部多个阶段污染猪肉. 改善卫生条件至关重要,以防止人类暴露在整个猪肉价值链中的这种食源性病原体.
科学领域:
- 食品安全 食品安全
- 微生物学 微生物学
- 公共卫生 公共卫生
背景情况:
- 非伤寒型沙门氏菌 (NTS) 是一种重要的食物传播病原体.
- 此前,在肯尼亚西部农村猪肉价值链中的猪中已经检测到NTS.
研究的目的:
- 调查NTS污染在猪肉价值链中的流行和传播情况.
- 确定农村猪肉生产和零售中NTS的关键控制点.
主要方法:
- 评估了在屠宰,运输和零售点的NTS流行情况.
- 使用飞行质谱法 (MALDI-TOF MS) 的矩阵辅助激光脱离-离子化时间确认了可疑分离物.
主要成果:
- 在猪尸体上,NTS的流行率为18.1%,在运输容器中为23.9%,在零售的生猪肉中为28.0%.
- 在煮熟的猪肉 (1.9%) 和菜 (8.6%) 中观察到更低的患病率.
结论:
- 在肯尼亚西部农村地区,NTS污染在整个猪肉价值链中普遍存在.
- 调查结果强调,迫切需要加强卫生干预措施,以减轻人类暴露风险.
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