Echinococcus granulosus in Finland

被引:34
作者
Hirvelä-Koski, V
Haukisalmi, V
Kilpelä, SS
Nylund, M
Koski, P
机构
[1] EELA, Natl Vet & Food Res Inst, Oulu Reg Unit, FIN-90101 Oulu, Finland
[2] Finnish Forest Res Inst, Vantaa Res Ctr, FIN-01301 Vantaa, Finland
[3] Finnish Game & Fisheries Res Inst, FIN-93400 Taivalkoski, Finland
关键词
Echinococcus granulosus; cestoda; reindeer; wolf; dog; Finland;
D O I
10.1016/S0304-4017(02)00381-3
中图分类号
R38 [医学寄生虫学]; Q [生物科学];
学科分类号
07 ; 0710 ; 09 ; 100103 ;
摘要
Echinococcus granulosus is shown to occur in eastern Finland in a sylvatic cycle involving wolves (Canis lupus) as the definitive host and reindeer (Rangifer tarandus tarandus) and probably also elk (Alces alces) and the wild forest reindeer (Rang fer tarandus fennicus) as intermediate hosts. Even though the prevalence of E. granulosus in reindeer has increased in recent years, it is still very low (<0.013%). The results suggest, however, that the reindeer is a good sentinel animal to show the contamination of soil with Echinococcus eggs. This is the first report of wolves acting as a definitive host for E. granulosus in northern Europe. The parasite seems to be quite common in the Finnish wolf population, with a prevalence of approximately 30% in both intestinal and faecal samples. The present results and previous ones indicate that E. granulosus infection has not spread to dogs in the reindeer herding area. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:175 / 192
页数:18
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