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学科主题: Parasitology; Zoology
题名: Frequency Distribution and Seasonal Dynamics of Intestinal Helminths in the Yellowhead Catfish Pelteobagrus fulvidraco from Liangzi Lake, China
作者: Li, Wen X.1; Wang, Gui T.1; Yao, Wei J.1; Nie, Pin1
通讯作者: Wang, GT, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China
关键词: Liangzi Lake ; frequency distribution ; seasonal dynamics ; intestinal helminths ; yellowhead catfish ; Pelteobagrus fulvidraco ; Gangesia pseudobagri ; Orientocreadium siluri ; Coitocoecum plagiorchis ; Echinoparyphium lingulatum
刊名: COMPARATIVE PARASITOLOGY
发表日期: 2010
卷: 77, 期:1, 页:31-36
收录类别: SCI
文章类型: Article
部门归属: [Li, Wen X.; Wang, Gui T.; Yao, Wei J.; Nie, Pin] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Technology System for Conventional Freshwater Fish Industries [NYCYTX-49-15]; National Natural Science Foundation of China [30600459]
类目[WOS]: Parasitology ; Zoology
研究领域[WOS]: Parasitology ; Zoology
摘要: The frequency distribution and seasonal changes of intestinal helminths in Pelteobagrirs fulvidraco were investigated from February 2001 to July 2002 in Liangzi Lake in the floodplain of the Yangtze River, central China. Four parasite species were found: the cestode Gangesia pseudobagri and the digeneans Orientocreadium siluri, Coitocoecum plagiorchis, and Echinoparyphium lingulatum. There was a significant difference in the mean abundance of O. siluri between male (8.12 +/- 16.99) and female hosts (3.19 +/- 5.42). Parasite distribution patterns were all overdispersed (s(2)/(x) over bar > 1) and followed the negative binomial distribution. In the analysis of changes in mean parasite abundance and variance to mean ratio with host age, convex curves were observed for G. pseudobagri and O. siluri. This suggests that these 2 helminths may have had deleterious effects on the hosts. Significant seasonal changes were detected in the prevalence and mean abundance of the 4 helminths other than for the prevalence of O. siluri. The mean abundance of O. siluri, C. plagiorchis, and G. pseudobagri reached a peak in the spring, and E. lingulatum had the highest infection levels in the spring and early summer.
英文摘要: The frequency distribution and seasonal changes of intestinal helminths in Pelteobagrirs fulvidraco were investigated from February 2001 to July 2002 in Liangzi Lake in the floodplain of the Yangtze River, central China. Four parasite species were found: the cestode Gangesia pseudobagri and the digeneans Orientocreadium siluri, Coitocoecum plagiorchis, and Echinoparyphium lingulatum. There was a significant difference in the mean abundance of O. siluri between male (8.12 +/- 16.99) and female hosts (3.19 +/- 5.42). Parasite distribution patterns were all overdispersed (s(2)/(x) over bar > 1) and followed the negative binomial distribution. In the analysis of changes in mean parasite abundance and variance to mean ratio with host age, convex curves were observed for G. pseudobagri and O. siluri. This suggests that these 2 helminths may have had deleterious effects on the hosts. Significant seasonal changes were detected in the prevalence and mean abundance of the 4 helminths other than for the prevalence of O. siluri. The mean abundance of O. siluri, C. plagiorchis, and G. pseudobagri reached a peak in the spring, and E. lingulatum had the highest infection levels in the spring and early summer.
关键词[WOS]: PSEUDOBAGRUS-FULVIDRACO ; BULLHEAD CATFISH ; HUBEI PROVINCE ; LIFE-CYCLE ; TREMATODA ; PARASITE ; DIGENEA ; FISHES ; REDESCRIPTION ; BUCEPHALIDAE
语种: 英语
WOS记录号: WOS:000273545300006
ISSN号: 1525-2647
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/13657
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China

Recommended Citation:
Li, Wen X.; Wang, Gui T.; Yao, Wei J.; Nie, Pin.Frequency Distribution and Seasonal Dynamics of Intestinal Helminths in the Yellowhead Catfish Pelteobagrus fulvidraco from Liangzi Lake, China,COMPARATIVE PARASITOLOGY,2010,77(1):31-36
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