Bernotienė Rasa, Iezhova Tatjana, Eigirdas Vytautas, Jusys Vytautas, Kazak Margarita, Binkienė Rasa
State Scientific Research Institute Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania.
Ventės Ragas Ornithological Station, Marių 24, 99361 Ventė, Lithuania.
Pathogens. 2025 May 5;14(5):452. doi: 10.3390/pathogens14050452.
Passerine birds (n = 3335) of 19 species were caught and investigated for the presence of Trypanosomatidae and Onchocercidae parasites using the buffy coat method, microscopy and PCR in Ventės Ragas, Lithuania. Data on the spread patterns of these parasites are still lacking. The prevalences of parasites in birds of different species varied from 2.2% to 36.1%, while the prevalences of Onchocercidae parasites varied from 0% to 17.3%. Statistically significant differences between spring and autumn in the prevalences of Trypanosomatidae were determined for and No significant differences between the prevalences of Onchocercidae in spring and autumn were determined. The prevalence of was significantly higher for long-distance migrant birds compared with short-distance migrants, for omnivorous birds compared with insectivorous birds, and for open-nesting birds compared with birds nesting in nest boxes. The prevalences of Onchocercidae parasites did not differ for the same bird groups except for the prevalence in omnivorous birds, which was higher compared with insectivorous birds. Both groups of parasites were detected in juveniles, showing the presence of transmission in the study area. The diet, breeding behaviour and migration features of avian hosts can influence the prevalence of avian blood parasites.
在立陶宛的文泰斯·拉加斯，采用血沉棕黄层法、显微镜检查和聚合酶链反应，捕获了19种共计3335只雀形目鸟类，以调查锥虫科和盘尾丝虫科寄生虫的存在情况。目前仍缺乏这些寄生虫传播模式的数据。不同物种鸟类体内寄生虫的感染率在2.2%至36.1%之间，而盘尾丝虫科寄生虫的感染率在0%至17.3%之间。确定了春季和秋季锥虫科感染率在[具体物种1]和[具体物种2]之间存在统计学显著差异。未确定春季和秋季盘尾丝虫科感染率之间的显著差异。长途迁徙鸟类的[具体寄生虫名称]感染率显著高于短途迁徙鸟类，杂食性鸟类高于食虫性鸟类，露天筑巢鸟类高于在巢箱中筑巢的鸟类。除了杂食性鸟类的感染率高于食虫性鸟类外，盘尾丝虫科寄生虫在相同鸟类群体中的感染率没有差异。在幼鸟中检测到了这两类寄生虫，表明研究区域存在传播现象。鸟类宿主的饮食、繁殖行为和迁徙特征会影响鸟类血液寄生虫的感染率。
