三体病:在瑞士的阿尔卑斯 (Tachymarptis melba) 幼中出现的疾病?
1Institute for Fish and Wildlife Health, University of Bern, Länggassstrasse 122, 3012 Bern, Switzerland.
International journal for parasitology. Parasites and wildlife
|January 8, 2024
概括
在阿尔卑斯山快速巢中的突然群体死亡与鸟类试索米亚症有关. 这种由Trypanosoma物种引起的寄生虫感染可能代表瑞士鸟类种群中的新兴疾病.
科学领域:
- 鸟类病理学 鸟类病理学
- 寄生虫学的寄生虫学
- 分子生物学分子生物学
背景情况:
- 阿尔卑斯 (Tachymarptis melba) 是迁徙鸟类,在瑞士长期监测殖民地.
- 异常高的巢死亡率 (30-80%) 发生在2022年,尽管有利的条件.
研究的目的:
- 调查阿尔卑斯山飞幼突然大规模死亡的原因.
- 确定导致观察到死亡的病原体.
主要方法:
- 对幼的死后分析,包括他的病理学.
- 聚合酶链反应 (PCR) 针对Trypanosoma spp.的18S-rRNA基因.
- 用显微镜检查血涂片,以检测三毛虫的形式.
主要成果:
- 在受影响幼的骨和心脏肌肉组织中发现了类似阿马斯蒂哥特的原生动物.
- 通过PCR确认了Trypanosoma spp.的存在,其序列与Trypanosoma corvi和Trypanosoma sp.非常接近.
- 血液涂抹显示了三虫的形式,表明活跃的感染,形态测量与Trypanosoma bouffardi一致.
结论:
- 鸟类试虫病,可能是由Trypanosoma corvi或Trypanosoma bouffardi引起的,被强烈怀疑是大规模巢死亡的原因.
- 这种寄生虫感染可能是瑞士阿尔卑斯山种群的新兴疾病.
- 需要进一步的研究来了解这种新出现的禽病的流行病学和影响.
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