来自阿根廷的野猪患结核病
Soledad Barandiaran1, María Jimena Marfil2, Luciano Francisco La Sala3
1Instituto de Investigaciones en Producción Animal (INPA), Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad de Buenos Aires, Av. Chorroarín 280, 1427, Buenos Aires, Argentina.
阿根廷的野猪是Mycobacterium bovis的重要储库,这是哺乳动物结核病的原因. 这一发现凸显了野生动物在人畜界面的疾病传播中的关键作用.
科学领域:
- 兽医微生物学 兽医微生物学
- 动物传播疾病 动物传播疾病
- 野生动物流行病学
背景情况:
- 杆菌 (M. bovis) 感染各种哺乳动物,构成动物传染的风险.
- 虽然牛是主要的宿主,但野生动物在全球范围内对M. bovis的传播有重大贡献.
- 在阿根廷,野猪和家养猪是哺乳动物结核病 (mTB) 周期的关键.
研究的目的:
- 在阿根廷野生猪中检测M. bovis.
- 从野生猪中分离出来的M. bovis的遗传特征.
- 将这些分离物与来自其他宿主的分离物进行比较.
主要方法:
- 在阿根廷不同地区抽取了311头野猪的样本.
- 细菌学培养用于分离菌根菌.
- 用于M. bovis特征的分子鉴定和 spoligotyping.
主要成果:
- 获得了63个分离物:34个Mycobacterium结核综合体 (MTC) 和29个非结核菌 Mycobacteria (NTM).
- 野生猪中MTC的患病率估计为11.2%±1.8%.
- 确定了12种M. bovis spoligotypes,与牛,家猪和其他野生动物有很大的重叠.
结论:
- 在阿根廷,野猪是M. bovis的重要储存库.
- 共有的斯波利格类型表明M. bovis在野生动物,家养猪和牛群中流通.
- 阿根廷的广泛农业实践在野生动物-牲畜-人类接口上促进了mTB的传播.
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