额尔齐斯河东方欧鳊(Abramis brama orientalis Berg)寄生虫调查研究

Investigation and Study on Parasites of Abramis brama orientalis Berg in Ergis River

按照鱼类寄生虫调查及研究方法,对额尔齐斯河(中国段)东方欧鳊(Abramis brama orientalis Berg)寄生虫种类及感染情况进行了调查研究。结果检出寄生虫8种:对盲囊线虫、复口吸虫、温氏指环虫、宽头鲤蠢绦虫、奇怪双身虫、复殖吸虫幼虫、泡吻棘头虫和毛细线虫。感染率分别达43.75%,37.5%,18.75%,18.75%,14.58%,12.5%,8.33%,2.08%。奇怪双身虫经检索鉴定,为我国单殖吸虫纲铗钩虫目双身虫科的一属、种新记录。

By the method of fish parasites investigation and research,the investigation and study were conducted on parasites of Abramis brama orientalis Berg in Ergis River,China.The result showed that 8 species of parasites were found：Contracaeum Railliet et Henry,Dipolostmum sp,Dactylogyrus wunderi Bychowsky,Caryophyllaeidae laticeps Pallas,Dipozoon paradoxum Nordmann,Trematoda larva,Pomphorhynchus laevis,Capillariidae sp,whose infections were up to 43.75%,37.5%,18.75%,18.75%,14.58%,12.5%,8.33%,2.08% respectively.Dipozoon paradoxum is a new species and genus record of Diplozoidae Palombi of Mazocraeidea Bychowsky of Oligonchoinea Bychowsky of Monogenea.