Fishborne Trematode Metacercariae in Freshwater Fish from Guangxi Zhuang Autonomous Region, China
2009
Sohn, W.M. (Gyeongsang National University, Jinju, Republic of Korea), E-mail: [email protected] | Eom, K.S. (Chungbuk National University, Cheongju, Republic of Korea) | Min, D.Y. (Hanyang University, Seoul, Republic of Korea) | Rim, H.J. (Korea University, Seoul, Republic of Korea) | Hoang, E.H. (Korea Association of Health Promotion, Seoul, Republic of Korea) | Yang, Y.C. (Guangxi Centre for Disease Prevention and Control, Nanning, Guangxi, China) | Li, Xueming (Guangxi Centre for Disease Prevention and Control, Nanning, Guangxi, China)
A survey was performed to investigate the infection status of fishborne trematode (FBT) metacercariae in freshwater fish from Guangxi Zhuang Autonomous Region, China. A total of 307 freshwater fish of 31 species were collected from 5 administrative regions of Guangxi Zhuang Autonomous Region. They were examined by artificial digestion method from July 2003 to August 2004. No metacercariae were detected in fish from Fusui-xian. In fish from Mashan-xian and a market in Nanning, 3 species of metacercariae, Haplorchis taichui, Haplorchis pumilio, and Centrocestus formosanus, were mainly detected. Metacercariae (8 in number) of Clonorchis sinensis were found in 1 Chanodichthys dabryi purchased from a market in Nanning. In fish from Yangshuo, Metagonimus yokogawai metacercariae were detected from all 18 fish species examined. Total 13 C. sinensis metacercariae were found in 3 out of 10 Hemibarbus maculatus from Yangshuo. All 7 Zacco platypus from Yangshuo were infected with 8-112 Echinochasmus perfoliatus metacercariae. In fish from Binyang-xian, H. pumilo metacercariae were mainly detected in all 5 fish species examined, and only 1 metacercaria of C. sinensis was found in a Hemiculter leucisculus. From the above results, it was confirmed that some species of freshwater fish play a role of second intermediate hosts for FBT in Guangxi Zhuang Autonomous Region, China. In particular, 4 species of intestinal flukes, M. yokogawai, H. taichui, H. pumilio, and C. formosanus, were prevalent in fish hosts, whereas C. sinensis metacercariae were detected only in 3 fish species.
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