Culex annulirostris (Diptera: Culicidae) Host Feeding Patterns and Japanese Encephalitis Virus Ecology in Northern Australia
Culex annulirostris (Diptera: Culicidae) Host Feeding Patterns and Japanese Encephalitis Virus Ecology in Northern Australia
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DOI：
10.1603/me11148
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发表时间：
2012-03-01
影响因子：
2.1
通讯作者：
Van den Hurk, Andrew F.
中科院分区：
文献类型：
--
作者：
Hall-Mendelin, Sonja;Jansen, Cassie C.;Van den Hurk, Andrew F.
日本脑炎病毒（JEV）在澳大利亚北方的传播，在过去，促进了库蚊annulirostris Skuse饲养家猪，病毒的主要扩增宿主。为了进一步描述澳大利亚北方蚊子的摄食行为，从Cx. annulirostris进行了分析，使用双抗体酶联免疫吸附测定。总的来说，CX。annulirostris从哺乳动物中获得>94%的血液，包括有袋动物（37%），猪（20%），狗（16%）和牛（11%），尽管这些宿主类型的比例在研究地点之间存在差异。在检测到JEV活动的地方，猪的饲养率相对较高。在澳大利亚大陆从蚊子中分离出第一株JEV的地点，野猪（不含家猪）占确定的血粉的82%，这是首次发现以野猪为食与JEV在澳大利亚的传播有关。有趣的是，
Japanese encephalitis virus (JEV) transmission in northern Australia has, in the past, been facilitated by Culex annulirostris Skuse feeding on domestic pigs, the primary amplifying hosts of the virus. To further characterize mosquito feeding behavior in northern Australia, 1,128 bloodmeals from Cx. annulirostris were analyzed using a double-antibody enzyme-linked immunosorbent assay. Overall, Cx. annulirostris obtained >94% of blood meals from mammals, comprising marsupials (37%), pigs (20%), dogs (16%), and cows (11%), although the proportion feeding on each of these host types varied between study locations. Where JEV activity was detected, feeding rates on pigs were relatively high. At the location that yielded the first Australian mainland isolate of JEV from mosquitoes, feral pigs (in the absence of domestic pigs) accounted for 82% of bloodmeals identified, representing the first occasion that feeding on feral pigs has been associated with JEV transmission in Australia. Interestingly,