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苏丹小型反动物的结核病:流行率和危险因素
Sanaa M Idris1,2,3, Wisal A Elmagzoub1,3,4, Julius B Okuni5
1Department of Animal Health and Safety of Animal Products, Institute for Studies and Promotion of Animal Exports, University of Khartoum, Khartoum North, 13314 Shambat, Sudan.
BMC veterinary research
|July 29, 2025
概括
结核病 (PTB) 在苏丹绵羊和山羊中普遍存在,高群体级DNA检测表明环境风险. 结合的诊断方法和改进的群体管理对于控制这种流行病至关重要.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 传染性疾病 传染性疾病
- 动物健康 动物健康
背景情况:
- 结核病 (PTB),是由Mycobacterium avium亚种引起的. 准结核病 (MAP) 是一个慢性肠道疾病在反动物.
- 在苏丹的绵羊和山羊中,PTB的研究不足,这对粮食安全和国民经济至关重要.
- 这项研究旨在确定苏丹小反动物的PTB流行率和风险因素.
研究的目的:
- 调查苏丹绵羊和山羊中偏结核病 (PTB) 的流行情况.
- 为了确定与小反动物群体中PTB相关的风险因素.
- 评估ELISA和RAA测试在这个人群中用于PTB诊断的有用性.
主要方法:
- 在苏丹五个州 (2020年11月-2022年10月) 收集了818只绵羊和山羊的血液和便样本.
- 使用ELISA检测MAP抗体的测试血清样本.
- 使用复合酶辅助放大 (RAA) 试验测试MAP DNA的便样本.
主要成果:
- 总体而言,动物水平的PTB真实流行率是RAA的10.7%,ELISA的1.7%.
- 群体水平的流行率是RAA的41.8%和ELISA的8.5%.
- 群体层面的重大风险因素包括品种均性,动物采购,管理系统,移动,病动物分离以及群体历史.
结论:
- 群体水平高的MAP DNA流行表明环境传播风险,特别是在开放放放牧系统中.
- 分子检测表明亚临床PTB感染的潜在低诊断.
- 结合诊断方法和改善群体管理对于苏丹的PTB监测和控制至关重要.
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