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首页> 外文期刊>Journal of Medical Entomology >Arboviral infection in two species of wild jays (Aves : Corvidae): Evidence for population impacts
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Arboviral infection in two species of wild jays (Aves : Corvidae): Evidence for population impacts

机译：两种野生鸦的虫媒病毒感染（Aves：Corvidae）：种群影响的证据

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摘要

We examined the prevalence of antibodies to three mosquito-borne arboviruses in blue jays, Cyanocitta cristata, and Florida scrub-jays, Aphelocoma coerulescens, to identify the effects oil host survival, the influence of sex and age on infection, and the temporal patterns of antibody prevalence. Blood samples from 306 blue jays and 219 Florida scrub-jays were collected at Archbold Biological Station (Lake Placid, FL) from April 1994 through December 1995. Sera were analyzed for hemaglutination-inhibition antibody to eastern equine encephalitis (EEE) and St. Louis encephalitis (SLE) viruses, and neutralizing antibodies to FEE Highlands J (HJ), and SLE viruses. Overall, 31.4% of blue jay samples and 22.1% of scrub-jay Samples had antibodies to EEE. Antibodies to HJ were detected in slightly > 15% of samples in each jay species, and SLE was detected in <3% of the samples in each jay species. A single EEE virus isolation was made front the blood of an 11-d-old scrub-jay nestling. Survival of adult blue jays seropositive to FEE was significantly lower than that of seronegative birds based on resight rates, but infection did not seem to affect survival of adult or juvenile Florida scrub-jays.
机译：我们检查了在蓝鸟，Cyanocitta cristata和佛罗里达灌丛中的三种蚊子传播的虫媒病毒的抗体的流行情况，以鉴定油性寄主的存活，性别和年龄对感染的影响以及感染的时间模式抗体患病率。从1994年4月至1995年12月，在Archbold生物站（佛罗里达湖普莱西德）采集了306个蓝鸟和219个佛罗里达州的黑鸦的血样。分析了血清中针对东部马脑炎（EEE）和圣路易斯的血凝抑制抗体。脑炎（SLE）病毒，以及针对FEE Highlands J（HJ）和SLE病毒的中和抗体。总体而言，31.4％的蓝鸟样本和22.1％的jack样本均具有针对EEE的抗体。在每个周杰伦物种中，> 15％的样本中检测到HJ抗体，在每个周杰伦物种中，<3％的样本中检测到SLE。在一个11日龄的灌洗周杰伦雏鸟的血液中进行了一次EEE病毒分离。从视认率来看，对FEE呈阳性的成年蓝鸟的存活率明显低于血清阴性的鸟，但感染似乎并未影响成年或佛罗里达幼崽的存活。

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