在宾夕法尼亚州的传染性Coryza
Sherrill Davison1, Linnea Tracy2, Donna J Kelly3
1Pennsylvania Animal Diagnostic Animal Laboratory System, University of Pennsylvania, School of Veterinary Medicine, Department of Pathobiolo Kennett S uare PA 19348, sdavison@vet.upenn.edu.
由Avibacterium paragallinarum引起的传染性 (IC) 在宾夕法尼亚州重新出现,影响了数百万只. 疫苗接种在控制这种重大禽病爆发方面被证明是有效的.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 禽类的健康 禽类的健康
- 细菌学 细菌学是一门学科.
背景情况:
- 传染性冠状炎 (IC) 是一种由Avibacterium paragallinarum引起的重要呼吸道疾病.
- 在宾夕法尼亚州历史上罕见,IC疫情最近影响了全州的商业家禽业务.
- 这种疾病通常表现为呼吸道症状,产量减少和死亡率.
研究的目的:
- 详细介绍了最近在宾夕法尼亚州发生的传染性冠状病毒爆发的流行病学,临床和病理学方面.
- 评估疫苗接种作为商业家禽中IC控制策略的有效性.
主要方法:
- 案例系列报告分析了2018年12月至2019年12月期间68个受影响农场的数据.
- 诊断工作包括传统的细菌培养和PCR测试.
- 从受影响的鸟类中检查各种组织的病理检查.
主要成果:
- 疫情涉及大约1400万只鸟类,主要是,还有肉和繁殖.
- 临床症状,死亡率和诊断结果在群体之间有很大的差异.
- 从不同部位 (气管,气囊等) 进行PCR检测和细菌培养. 辅助诊断,当鼻腔/腔培养是负的.
结论:
- 最近在宾夕法尼亚州爆发的IC疫情凸显了需要警性疾病监测和控制的需要.
- 实施成功的疫苗接种计划显著减少了疾病发病率.
- 疫苗接种是管理商业家禽群体传染性冠状病毒的关键控制措施.
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