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首页> 外文期刊>The American Journal of Tropical Medicine and Hygiene >Avian host preference by vectors of eastern equine encephalomyelitis virus.
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Avian host preference by vectors of eastern equine encephalomyelitis virus.

机译：东部马脑脊髓炎病毒载体对禽类寄主的偏爱。

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摘要

An important variable in the amplification and escape from the enzootic cycle of the arboviral encephalitides is the degree of contact between avian hosts and mosquito vectors. To analyze this interaction in detail, blood-fed mosquitoes that were confirmed vectors of eastern equine encephalomyelitis (EEE) virus were collected in 2002 from an enzootic site in central Alabama during the time this virus was actively transmitted. Avian-derived blood meals were identified to the species level of the host, and the proportion derived from each species was compared with the overall composition of the avifauna at the study site. The EEE vector mosquito species fed significantly more on some bird species and less on other species than expected given the overall abundance, biomass, or surface area of the local avifauna. When viewed collectively, these data suggest that these mosquitoes are selectively targeting particular avian species.
机译：虫媒病毒性脑炎病虫的放大和逃逸过程的一个重要变量是禽类宿主与蚊媒之间的接触程度。为了详细分析这种相互作用，在2002年从阿拉巴马州中部的一个动物感染点采集了被证实是东部马脑脊髓炎（EEE）病毒的血友病蚊子，当时该病毒正在积极传播。在宿主的物种水平上鉴定出禽源性血粉，并将每个物种的比例与研究地点的鸟类整体组成进行比较。鉴于当地鸟类的总体丰度，生物量或表面积，EEE媒介蚊子在某些鸟类上的觅食量显着高于预期，而其他物种上的摄食量则低于预期。总体来看，这些数据表明这些蚊子选择性地针对特定鸟类。

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