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http://dx.doi.org/10.3347/kjp.2013.51.1.107

Fishborne Trematode Metacercariae in Luang Prabang, Khammouane, and Saravane Province, Lao PDR  

Rim, Han-Jong (Department of Parasitology, Korea University College of Medicine)
Sohn, Woon-Mok (Department of Parasitology and Institute of Health Sciences, Gyeongsang National University School of Medicine)
Yong, Tai-Soon (Department of Environmental Medical Biology and Institute of Tropical Medicine, Yonsei University College of Medicine)
Eom, Keeseon S. (Department of Parasitology and Medical Research Institute, Chungbuk National University School of Medicine)
Chai, Jong-Yil (Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine)
Min, Duk-Young (Department of Microbiology and Immunology, Eulji University College of Medicine)
Lee, Soon-Hyung (Korea Association of Health Promotion)
Hoang, Eui-Hyug (Korea Association of Health Promotion)
Phommasack, Bounlay (Department of Hygiene and Prevention, Ministry of Public Health)
Insisiengmay, Sithat (Department of Hygiene and Prevention, Ministry of Public Health)
Publication Information
Parasites, Hosts and Diseases / v.51, no.1, 2013 , pp. 107-114 More about this Journal
Abstract
Fishborne trematode (FBT) metacercariae were investigated in fish from 3 Provinces of Lao PDR. Total 242 freshwater fish of 40 species were collected in local markets of Luang Prabang (59 fish of 16 species), Khammouane (81 fish of 19 species), and Saravane (97 fish of 14 species), and each of them was examined by artificial digestion method. Four species of metacercariae (Opisthorchis viverrini, Haplorchis taichui, Haplorchis yokogawai, and Centrocestus formosanus) were detected. O. viverrini was detected in 35 fish (14.5%), and their density was 252 per infected fish (Luang Prabang, 88 metacercariae in 5 fish; Khammouane, 187 in 6 fish; Saravane, 303 in 24 fish). H. taichui was found in 102 fish (42.1%), and their density was 485 per infected fish (Luang Prabang, 260 metacercariae in 38 fish; Khammouane, 1,084 in 23 fish; Saravane, 359 in 41 fish). H. yokogawai was detected in 92 fish (38.0%), and their density was 222 per infected fish (Luang Prabang, 362 metacercariae in 17 fish; Khammouane, 126 in 20 fish; Saravane, 214 in 55 fish). Metacercariae of C. formosanus were found in 8 fish (3.3%), and their density was 3 per infected fish. In the present study, it has been confirmed that FBT metacercariae, in particular, H. taichui, H. yokogawai, and O. viverrini, are highly prevalent in fish from Luang Prabang, Khammouane, and Saravane Province, Lao PDR.
Keywords
Opisthorchis viverrini; Haplorchis taichui; Haplorchis yokogawai; Centrocestus formosanus; fishborne trematode; prevalence; density; metacercaria; Lao PDR;
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