跳蚤都去哪儿了？蓝山雀（Parus caeruleus）巢穴的低感染水平。
Where have all the fleas gone? Low levels of Blue Tit Parus caeruleus nests infestation.
作者信息
Kedra A H, Mazgajski T D
机构信息
W.Stefański Institute of Parasitology PAS, Twarda 51/55, 00-818 Warszawa, Poland.
出版信息
Wiad Parazytol. 1999;45(4):501-5.
Prevalence of flea infestation in nests of Blue Tit Parus caeruleus was analyzed and compared with these of other hole-nesting birds. Nests were collected from nestboxes prior to youngs fledging. It was found that prevalence of fleas was very low in comparison to other studies of Blue Tits nests and to other bird species. The possible reasons of this low prevalence are discussed.
对蓝山雀（Parus caeruleus）巢穴中跳蚤感染的患病率进行了分析，并与其他洞巢鸟类的患病率进行了比较。在幼鸟 fledging 之前从巢箱中收集巢穴。结果发现，与其他关于蓝山雀巢穴的研究以及其他鸟类物种相比，跳蚤的患病率非常低。讨论了这种低患病率的可能原因。
注
原文中“youngs fledging”可能有误，推测应该是“young fledging”，意为幼鸟 fledging（这个词原英文有误，可能是 fledging，意为雏鸟羽翼丰满、开始会飞 ） ，翻译时按推测的正确内容进行了翻译。
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