南美驼中的甲状腺结核病:德国阿尔帕卡的两个独立病例
Heike Köhler1, Jana Müller2, Elena Kloß2
1National Reference Laboratory for Paratuberculosis, Institute of Molecular Pathogenesis, Friedrich-Loeffler-Institut - Federal Research Institute for Animal Health (FLI), Jena, Germany. Heike.Koehler@fli.de.
结核病 (MAP) 会导致阿尔帕卡的严重瘦弱,甚至在德国也会发生这种情况.
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:
- 由Mycobacterium avium亚种paratuberculosis (MAP) 引起的帕拉结核病是一种慢性肠炎,影响反动物和驼类动物.
- 在阿尔帕卡群中很少有病例报告,特别是在德国.
- 这项研究详细介绍了德国阿尔帕卡两例独立的结核病病例.
研究的目的:
- 描述德国两只阿尔帕卡的结核病的临床和流行病学特征.
- 突出MAP可能导致阿尔帕卡严重疾病的潜力.
- 强调在阿尔帕卡的差异诊断中考虑结核病的重要性.
主要方法:
- 两只阿尔帕卡的尸体解剖后检查显示,它们呈现出逐渐瘦弱的状况.
- 组织病理学分析显示了粒状肠炎和淋巴腺炎.
- 定量PCR (qPCR) 用于在组织中检测MAP和分离物的基因定型.
主要成果:
- 两只阿尔帕卡在肠道和淋巴结中都表现出严重的衰弱和颗粒状病变.
- 在一个阿尔帕卡的多个组织中检测到MAP.
- 确定了不同的MAP基因型 (Clade 1和8),此前在德国牛和山羊中发现,这表明潜在的跨物种传播.
结论:
- 菌亚种 (Mycobacterium avium paratuberculosis,简称MAP) 可以诱发阿尔帕卡的严重临床菌病.
- 偏结核病应该是瘦弱的阿尔帕卡的一个关键差异诊断.
- 杂动物和驼类动物之间的跨物种传播极有可能.
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