Fishborne trematode metacercariae in Luang Prabang, Khammouane, and Saravane Province, Lao PDR

Han Jong Rim, Woon Mok Sohn, Tai Soon Yong, Keeseon S. Eom, Jong Yil Chai, Duk Young Min, Soon Hyung Lee, Eui Hyug Hoang, Bounlay Phommasack, Sithat Insisiengmay

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Abstract

Fishborne trematode (FBT) metacercariae were investigated in fish from 3 Provinces of Lao PDR. Total 242 freshwater fish of 40 spechies 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 artifcial 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 confrmed 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.

Original languageEnglish
Pages (from-to)107-114
Number of pages8
JournalKorean Journal of Parasitology
Volume51
Issue number1
DOIs
Publication statusPublished - 2013 Mar 11

All Science Journal Classification (ASJC) codes

  • Parasitology
  • Infectious Diseases

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    Rim, H. J., Sohn, W. M., Yong, T. S., Eom, K. S., Chai, J. Y., Min, D. Y., Lee, S. H., Hoang, E. H., Phommasack, B., & Insisiengmay, S. (2013). Fishborne trematode metacercariae in Luang Prabang, Khammouane, and Saravane Province, Lao PDR. Korean Journal of Parasitology, 51(1), 107-114. https://doi.org/10.3347/kjp.2013.51.1.107