美国宾夕法尼亚州野生火 (Meleagris gallopavo) 病原体的危险因素和共同感染动力学
Ryan W Koch1, Axel O G Hoarau1, Tryssa de Ruyter2
1Department of Pathobiology, Wildlife Futures Program University of Pennsylvania Kennett Square Pennsylvania USA.
Ecology and evolution
|February 13, 2026
概括
在野生火中,共同感染很常见,特别是在淋巴增殖性疾病病毒 (LPDV) 和内部寄生虫之间. 这些共同感染比单一感染更为普遍,影响了火的健康.
科学领域:
- 野生动物病理学
- 疾病生态学 疾病生态学
- 鸟类健康 鸟类健康
背景情况:
- 野生动物的共同感染很常见,但经常被忽视,可能会影响管理策略.
- 野生火 (Meleagris gallopavo) 易受各种病原体的感染,但同时感染的动态尚不清楚.
- 了解病原体相互作用对于有效的野生动物健康管理至关重要.
研究的目的:
- 调查宾夕法尼亚州野生火中淋巴增殖性疾病病毒 (LPDV),网膜内皮病病毒 (REV),鸟类菌体物种和内部寄生虫的流行,关联和危险因素.
- 确定这些感染和共感染的空间结构和相互作用.
- 评估共感染如何影响野生火种群.
主要方法:
- 宾夕法尼亚州野生火的实地采样.
- 对LPDV,REV,三种鸟类Mycoplasma物种 (M. gallisepticum,M. meleagridis,M. synoviae) 和内部寄生虫进行诊断测试.
- 统计分析以确定流行率,风险因素以及感染和共感染之间的关联.
主要成果:
- 观察到LPDV (70%) 和内部寄生虫 (63%) 的高患病率.
- 与LPDV和寄生虫的同时感染很常见 (41%),超过单个LPDV (26%) 或寄生虫 (22%) 的感染.
- 成年人中LPDV的患病率较高,而寄生虫物种丰富程度因年龄和性别而异;REV和Mycoplasma的患病率较低.
- LPDV感染与寄生虫线虫有负面关联,但与整体的寄生虫丰富性无关.
结论:
- 野生火具有较高的共感染率,特别是LPDV和内部寄生虫之间的共感染率.
- 寄生虫感染在很大程度上独立于LPDV,尽管经常出现 coinfections.
- 需要进一步的研究,以了解这些共感染对野生火种群的次致命影响.
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