英格兰和威尔士屠宰羊群中的沙门氏菌
Susan E Lewis1, Shaun A Cawthraw2, Andrew D Wales3
1Department of Epidemiological Sciences, Animal and Plant Health Agency, Weybridge, Addlestone KT15 3NB, United Kingdom.
Journal of applied microbiology
|October 9, 2025
概括
在2023年的一项调查中,在英格兰和威尔士8.5%的绵羊白内障样本中发现了沙门氏菌. 较老的羊 (12个月以上) 显示出显著更高的沙门氏菌隔离风险,影响食品链的安全性.
科学领域:
- 兽医微生物学 兽医微生物学
- 食品安全科学 食品安全科学
- 动物流行病学动物流行病学
背景情况:
- 牲畜中的沙门氏菌污染对食品链构成重大风险.
- 为了公共卫生和经济原因,了解羊群中沙门氏菌的流行率至关重要.
- 之前关于英国屠宰羊中沙门氏菌传播的数据有限.
研究的目的:
- 调查英格兰和威尔士的绵羊白内障含量中的沙门氏菌流行情况.
- 为了确定相关的风险因素,特别是动物的年龄.
- 描述孤立的沙门氏菌血清,包括那些具有公共卫生重要性的人.
主要方法:
- 在12个屠宰场进行了为期9个月的调查,覆盖了全国绵羊吞吐量的28%.
- 从1228只绵羊中采集和培养白内障含量样本,以检测沙门氏菌.
- 统计分析,包括多变量逻辑回归,以评估风险因素,如年龄.
主要成果:
- 在1228个绵羊样本中,8.5%的样本检测到沙门氏菌.
- 最常见的血清是适应羊的菌株 (6.5%),具有较低的动物感染潜力.
- 年龄较大的羊 (12个月以上) 的沙门氏菌分离几率明显更高 (OR 7.2,P < 0.001).
结论:
- 在2023年,英格兰和威尔士屠宰羊中沙门氏菌的传播率为8.5%.
- 年龄较大的羊更容易携带沙门氏菌,这突出了与年龄相关的危险因素.
- 这些发现有助于更好地了解屠宰羊中的沙门氏菌流行病学,并为食品安全战略提供信息.
相关概念视频
Sources of Food Contamination
Contamination of food by microbial agents and natural toxins poses significant risks to public health. These hazards can be introduced at various points across the food supply chain, ranging from environmental sources to processing and storage stages. Understanding these contamination pathways is critical for developing strategies to ensure food safety.Seafood is particularly vulnerable to contamination through both environmental exposure and microbial colonization. Toxins from harmful algal...
Reservoir of Infection
Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
Investigation of Disease Outbreaks
Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...


