严重的羔羊腹爆发:临床特征,病原体的鉴定和预防方法
Shaimaa El-Gbily1, Marwa M Eldokmak2, Rasha Diabb3
1Virology Department. Alexandria Regional Lab., Animal Health Research Institute (AHRI), Agriculture Research Center (ARC), Egypt.
细菌感染,特别是肠杆菌和大肠杆菌,导致埃及新生儿羔羊的严重腹和高死亡率. 疫苗接种在降低羔羊死亡率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
- 微生物学 微生物学
- 动物科学动物科学
背景情况:
- 绵羊腹显著影响绵羊的生产力.
- 在埃及新生儿羔羊中发生严重的腹疫情促使了这项调查.
研究的目的:
- 为了确定新生儿羔羊中严重腹的致病原体.
- 评估疫苗作为预防措施的有效性.
主要方法:
- 研究了来自不同农场的30只羊羔.
- 对便样本进行了寄生虫学,细菌学和病毒学检查.
- 在组织样本上进行了他的病理学,并分析了血液学参数.
主要成果:
- 肠球菌 (Enterococcus sp.) 是一种菌. (E. faecium,E. gallinarum) 和大肠杆菌 (O124:K72,O111:K58,O78:K80,O26:K60) 被确定为引起病原体.
- 在细菌分离物中检测到病毒性基因Asa,Esp,Sta和F5 (K99).
- 疫苗接种降低了死亡率,并诱导了保护性血清转化.
结论:
- 细菌感染是导致严重羔羊肠炎和死亡率的关键因素.
- 建立母羊疫苗接种计划对于预防羔羊腹疫情至关重要.
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