沙门氏菌种类引入的危险因素. 血清组B和D进入荷兰乳牛群
N D Fabri1, I M G A Santman-Berends1, M F Weber1
1Royal GD, Arnsbergstraat 7, Deventer 7418 EZ, The Netherlands.
Preventive veterinary medicine
|August 24, 2024
概括
乳牛群中的沙门氏菌感染是令人担忧的. 关键的风险因素包括附近的感染群,农场上的猪,引入新的牛,以及土壤水分和水面积等环境条件.
科学领域:
- 兽医流行病学 兽医流行病学
- 动物健康管理 动物健康管理
- 食品安全 食品安全
背景情况:
- 沙门氏菌 spp. 沙门氏菌 感染对畜牧业构成动物感染,福利和经济风险.
- 对沙门氏菌spp.进行有针对性的监测. 在奶牛群中需要识别引入风险因素.
- 荷兰的沙门氏菌计划监测散装牛奶对沙门氏菌血清组B和D的抗体.
研究的目的:
- 为了确定与新的沙门氏菌种类相关的风险因素. 荷兰乳牛群中的感染.
- 提供针对沙门氏病的有针对性的监测和控制措施的信息.
主要方法:
- 利用了来自荷兰乳牛群 (2019-2021) 国家沙门氏菌监测计划的数据.
- 采用多变量人口平均概括估计方程 (PA-GEE) 模型.
- 分析了新感染群体的风险因素,在低群体水平流行背景下.
主要成果:
- 0.85-4.10%的荷兰面临风险的奶牛群每次测试都会新感染.
- 显著的风险因素包括接近受感染的牲畜 (OR=2.67),农场猪 (OR=1.63),并引入超过2头牛 (OR=1.17).
- 土壤湿度 (>0.54%) 和水面积 (>2%) 等环境因素也增加了风险,而较大的群体规模 (OR=1.65) 也增加了风险.
结论:
- 当地传播,以及牛的引入,显著促进沙门氏菌spp. 群体之间的传播. 群体之间的传播.
- 鉴定的风险因素可以加强沙门氏菌监测和有针对性的控制策略.
- 定期收集有关风险因素的数据对于乳制品种群中有效的沙门氏菌病管理至关重要.
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