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首页> 外文期刊>The condor >West Nile Virus Anti bod y Surv eillanc e in Three Sierra Nevada Raptors of Cons ervation Conc ern
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West Nile Virus Anti bod y Surv eillanc e in Three Sierra Nevada Raptors of Cons ervation Conc ern

机译：西尼罗河病毒在三个内华达山脉保护性猛禽中的抗体抵抗生存

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摘要

West Nile virus (WNV) infection has caused high levels of mortality in North American hawks and owls. To investigate the extent of infection among raptors of conservation concern in the Sierra Nevada, we tested 62 Northern Goshawks (Accipiter gentilis), 209 Spotted Owls (Strix occidentalis), and 22 Great Gray Owls (Strix nebulosa) for WNV antibodies during the summers of 2004 to 2007 and compared our results with avian WNV mortalities detected by the California Department of Public Health. We detected no antibodies to WNV among the individuals tested. During the same period WNV RNA was detected in dead birds from 26 species in the Sierra Nevada region. These results suggest that the populations we studied were not exposed, that the level of WNV infection was so low as to be undetectable by our sampling scheme, or that the mortality rate from WNV was high enough to leave no surviving individuals; there is no independent evidence of the last alternative.
机译：西尼罗河病毒（WNV）感染已导致北美鹰和猫头鹰的高死亡率。为了调查内华达山脉保护主义猛禽之间的感染程度，我们在2002年夏季测试了62头北苍鹰（Accipiter gentilis），209头斑点猫头鹰（Strix occidentalis）和22头大灰猫头鹰（Strix nebulosa）的WNV抗体。 2004年至2007年，并将我们的结果与加利福尼亚公共卫生部检测到的禽类WNV死亡率进行了比较。我们在测试的个体中未检测到针对WNV的抗体。在同一时期，在内华达山脉地区26种物种的死鸟中检测到WNV RNA。这些结果表明，我们所研究的人群没有受到感染，WNV感染水平很低，以至于我们的采样方案无法检测到，或者WNV的死亡率很高，无法存活。没有关于最后选择的独立证据。

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