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题名: Seasonal changes in the occurrence and maturation of the nematode Procamallanus fulvidraconis in the yellowhead catfish Pelteobagrus fulvidraco in Liangzi Lake of Hubei Province, China
作者: Li, Wen-Xiang ; Wang, Gui-Tang (gtwang@ihh.ac.cn) ; Yao, Wei-Jian ; Nie, Pin
通讯作者: Li, Wen-Xiang ; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
刊名: Acta Hydrobiologica Sinica
发表日期: 2006
卷: 30, 期:3, 页:339-343
收录类别: 其他
英文摘要: Seasonal dynamics of the occurrence and maturation of Procamallanus fulvidraconis in its definitive host, Pelteobagrus fulvidraco (Richardson), were investigated in Liangzi Lake, Hubei province during February 2001 to July 2002. A total of 900 fish were collected, The results indicated that the prevalence of P. fulvidraconis was higher than 90% in each month with only an exception (32%) in January 2002. No significant difference was found between the prevalence in different months (G = 16.96 < x(0.05[17])(2) = 27.58). Mean abundance of the parasite was more than 6.32 in almost all months, except for a low level of 0.46 in January 2002. Statistical analysis showed that changes in mean abundance of the parasite were significantly seasonal (F = 12.58 > F-0.01[17,F-882] = 1.98). The adult female P. fulvidraconis was divided into three developmental stages, i.e. mature stage (adult without eggs), ungravid stage (with eggs) and gravid stage (with larvae). The present investigation found that the female in mature stage reached the peak level of infection in February and March, female in ungravid stage had highest level in May to July, and those in gravid stage reached highest level in June to September. Each stage of female and male had one annual peak of infection. In might suggest that P. fulvidraconis had a yearly cycle. The developmental time of the female in each stage were supposed to be that about 5-6 months from the first-stage larvae to mature stage, 4-5 months from mature to ungravid stage and 1-2 months from ungravid to gravid stage.
ISSN号: 1000-3207
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/18351
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Li, Wen-Xiang; Wang, Gui-Tang (gtwang@ihh.ac.cn) ; Yao, Wei-Jian; Nie, Pin.Seasonal changes in the occurrence and maturation of the nematode Procamallanus fulvidraconis in the yellowhead catfish Pelteobagrus fulvidraco in Liangzi Lake of Hubei Province, China,Acta Hydrobiologica Sinica,2006,30(3):339-343
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文件名: Seasonal changes in the occurrence and maturation of the nematode Procamallanus fulvidraconis in the yellowhead catfish Pelteobagrus fulvidraco in Liangzi Lake of Hubei Province, China.pdf
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