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苏州地区野生黄颡鱼寄生虫多样性及其寄生特性
引用本文:宋学宏,李义,杨彩根,蒋蓉.苏州地区野生黄颡鱼寄生虫多样性及其寄生特性[J].动物学杂志,2004,39(1):80-84.
作者姓名:宋学宏  李义  杨彩根  蒋蓉
作者单位:苏州大学农业科学与技术学院,苏州,215006
基金项目:苏州市农业科技发展基金资助项目 (SNZ 0 117)
摘    要:2002年2~9月对苏州地区野生黄颡鱼寄生虫进行了系统调查,发现其体内外寄生虫共有37种,分别隶属于5门11纲14目22科28属,其中原生动物门13种,占所有寄生虫的35.1%;扁形动物门15种,占40.5%;线形动物门5种,占13.5%;节肢动物门3种,占8.1%;环节动物门1种,占2.7%。从不同体长组黄颡鱼的寄生虫感染率和平均感染强度变化以及季节变化的结果表明,黄颡鱼对许多淡水寄生虫易感,而且吸虫与纤毛虫是苏州地区黄颡鱼的主要寄生虫。研究还发现,当黄颡鱼体长超过20cm时,寄生虫的感染程度显著减弱。

关 键 词:野生动物  黄颡鱼  寄生虫  感染率  平均感染强度  苏州市  寄生特性  多样性
文章编号:0250-3263(2004)01-80-05

The Diversity and Parasitic Characteristics of Parasites of Pseudobagrus fulvidraco in Suzhou Regions
SONG Xue\|Hong LI Yi YANG Cai\|Gen JIANG Rong.The Diversity and Parasitic Characteristics of Parasites of Pseudobagrus fulvidraco in Suzhou Regions[J].Chinese Journal of Zoology,2004,39(1):80-84.
Authors:SONG Xue\|Hong LI Yi YANG Cai\|Gen JIANG Rong
Abstract:A total of 138 Pseudobagrus fulvidraco, collected fr om fou r lakes in Suzhou regions from February to September 2002, were examined on par asitology. 37 parasite species, belonging to 5 phyla, 11 cl asse s, 14 orders, 22 families and 28 genera, were found in the skin, gill, stomach, kidney, liver etc. of P.fulvidraco. Among the 5 phyla, Platyhelminthes (15 ) and Protozoa (13) were the majority of parasite communities, with 40.5% and 35 .1%, respectively, while the other 3 phyla, Nemathelminthes (5), Arthropoda (3) and Annelida (1) accounted for 13.5%, 8.1% and 2.7% of the species, respectively . The prevalence and mean abundance of the different season and the different si ze group of P.fulvidraco were analyzed. It is suggested that P.fulvidrac o be susceptible to many parasites, and trematodes and ciliates represent the majo r parasite species of P.fulvidraco in Suzhou regions. Further results also indicated that the fish longer than 20 cm was significantly resistant to parasit ic infection.
Keywords:P  fulvidraco  Parasite  Prevalence  Mean abund ance
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