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首页> 外文期刊>Spanish Journal of Agricultural Research >Short communication. Can highly pathogenic avian influenza (HPAI) reach the Iberian Peninsula from Asia by means of migratory birds?
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Short communication. Can highly pathogenic avian influenza (HPAI) reach the Iberian Peninsula from Asia by means of migratory birds?

机译：简短的沟通。高致病性禽流感（HPAI）是否可以通过候鸟从亚洲到达伊比利亚半岛？

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This work discusses the possibilities of direct and indirect contact across Central Asia, between migratory bird populations from the Iberian Peninsula, Southwestern Eurasian and Eastern Asian countries. This fact should be considered when preparing surveillance studies for highly pathogenic avian influenza viruses. Records were checked from birds ringed or recovered between 1980 and 2002 in the Iberian Peninsula, an important wintering area for waterfowl in the European Union. This study only addresses migrations covering more than 5000 km and exclusively to or from Asia. A total of seven species have developed migratory routes between Europe and the Caspian Sea/Central Asia in the following proportions to the total of birds recovered: Podiceps nigricollis (17%), Anas penelope (11.1%), A. clypeata (2.17%), A. platyrhynchos (1.86%), Pluvialis squatarola (33.33%), Calidris ferruginea (1.36%) and Sterna sandvicensis (0.67%). These recovery rates suggest the possibility of interchange - at the Central Asia and Caspian breeding groundsbetween the populations originating in Europe and those from Southeast Asia. Over the following seasons, through direct migration, misorientation or, as frequently observed in certain duck species, through a phenomenon of abmigration, some birds with a priori Asian wintering quarters could conceivably escort their "European" brethren to this continent and thus contribute to the propagation of avian flu to so far virus-free areas.
机译：这项工作讨论了来自伊比利亚半岛，西南欧亚和东亚国家的候鸟种群在中亚之间进行直接和间接接触的可能性。在准备针对高致病性禽流感病毒的监视研究时，应考虑到这一事实。检查记录是从1980年至2002年在伊比利亚半岛圈养或捕捞的鸟类中发现的，伊比利亚半岛是欧盟重要的水禽越冬地区。本研究仅针对覆盖5000多公里且仅往返于亚洲的迁徙。在欧洲和里海/中亚之间共有七个物种形成了迁徙路线，其数量占所恢复鸟类总数的比例如下：黑dic（17％），阿纳斯·佩内洛普（11.1％），苜蓿草（A. clypeata）（2.17％） ，A。platyrhynchos（1.86％），Pluvialis squatarola（33.33％），Carridris ferruginea（1.36％）和Sterna sandvicensis（0.67％）。这些恢复率表明了互换的可能性-在中亚和里海的繁殖地上，起源于欧洲的种群与东南亚的种群之间。在接下来的季节中，通过直接迁徙，方向不正确或某些鸭子物种经常发生的迁徙现象，某些先验为亚洲越冬季的鸟类可能可以将其“欧洲”同胞护送到该大陆，从而对禽流感向迄今为止无病毒的地区传播。

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