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research article
不同生态位对鸟类肠道寄生虫组成的影响
Authors
侯志军
宋茜
王震
Publication date
1 May 2025
Publisher
Editorial Department of Chinese Journal of Wildlife
Doi
Cite
Abstract
影响鸟类肠道寄生虫种类的因素包括宿主、饮食习性和栖息地等,然而这些因素均由宿主特定的生态位决定。为研究不同生态位对鸟类肠道寄生虫种类的影响,通过18S rRNA高通量测序技术对东北地区石鸡(Alectoris chukar)、红尾斑鸫(Turdus naumanni)和金鸻(Pluvialis fulva)3种不同生态位的野生鸟类肠道寄生虫进行研究。研究样本共61只个体,包括25只石鸡、12只红尾斑鸫和24只金鸻,采集全部个体直肠内粪样用于高通量测序,同时剖检12只石鸡检查鸡异刺线虫(Heterakis gallinarum)。结果显示:61只鸟类个体寄生虫总检出率为60.66%,3种鸟类肠道寄生虫检出率相近;共检出21种寄生虫,其中原虫15种,蠕虫6种;3种鸟类肠道寄生虫种类差异显著,石鸡、红尾斑鸫和金鸻肠道寄生虫种类分别为6、11、5种,除石鸡和红尾斑鸫均检出同一种簇虫(Gregarina caledia)外,其他寄生虫种类均为每种鸟类独有。此外,在剖检的12只石鸡中,在7只个体盲肠内检出同一种蠕虫,经形态学和分子生物学鉴定,确定为鸡异刺线虫,并利用特异性引物检出鸡四毛滴虫(Tetratrichomonas gallinarum),剖检和鉴定结果与18S rRNA高通量测序结果相符。研究结果表明,3种野生鸟类肠道寄生虫感染情况较普遍。本研究填补了这3种鸟类肠道感染寄生虫的数据,可为研究不同生态位鸟类肠道寄生虫的感染情况提供借鉴
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Last time updated on 09/06/2025