Infection status of zoonotic trematode metacercariae in fishes from Vientiane municipality and Champasak Province in Lao PDR

Keeseon S. Eom, Han Sol Park, Dongmin Lee, Woon Mok Sohn, Taisoon Yong, Jong Yil Chai, Duk Young Min, Han Jong Rim, Bounnaloth Insisiengmay, Bounlay Phommasack

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Abstract

The infection status of fishborne zoonotic trematode (FZT) metacercariae was investigated in fishes from 2 localities of Lao PDR. Total 157 freshwater fishes (17 species) were collected in local markets of Vientiane Municipality and Champasak Province in December 2010 and July 2011, and each fish was examined by the artificial digestion method. Total 6 species of FZT metacercariae, i.e., Opisthorchis viverrini, Haplorchis taichui, Haplorchis yokogawai, Haplorchis pumilio, Centrocestus formosanus, and Procerovum varium, were detected in fishes from Vientiane Municipality. The metacercariae of O. viverrini were detected in 50 (49.5%) out of 101 fishes (6 species), and their average number was 154 per fish infected. The remaining 5 species of heterophyid metacercariae were detected in 36.8%, 65.8%, 9.4%, 23.9%, and 5.1% fishes examined, and their average densities were 12, 1,038, 4, 15, and 13 per infected fish, respectively. In fishes from Champasak Province, 3 species of FZT metacercariae, i.e., O. viverrini, H. taichui, and H. yokogawai, were detected. Only 2 O. viverrini metacercariae were found in only 1 Barbonymus schwanefeldi. The metacercariae of H. taichui and H. yokogawai were detected in 60.0% and 50.0% of fishes examined, and their average densities were 47 and 28 per fish infected. By the present study, it has been confirmed that several species of FZT metacercariae are prevalent in fishes from Vientiane Municipality, with P. varium being a new member of FZT in Lao PDR. In comparison, FZT metacercariae are less prevalent in fishes from Champasak Province.

Original languageEnglish
Pages (from-to)447-453
Number of pages7
JournalKorean Journal of Parasitology
Volume53
Issue number4
DOIs
Publication statusPublished - 2015 Aug 25

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Laos
Metacercariae
Zoonoses
Fishes
Opisthorchis
Fresh Water

All Science Journal Classification (ASJC) codes

  • Parasitology
  • Infectious Diseases

Cite this

Eom, Keeseon S. ; Park, Han Sol ; Lee, Dongmin ; Sohn, Woon Mok ; Yong, Taisoon ; Chai, Jong Yil ; Min, Duk Young ; Rim, Han Jong ; Insisiengmay, Bounnaloth ; Phommasack, Bounlay. / Infection status of zoonotic trematode metacercariae in fishes from Vientiane municipality and Champasak Province in Lao PDR. In: Korean Journal of Parasitology. 2015 ; Vol. 53, No. 4. pp. 447-453.
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title = "Infection status of zoonotic trematode metacercariae in fishes from Vientiane municipality and Champasak Province in Lao PDR",
abstract = "The infection status of fishborne zoonotic trematode (FZT) metacercariae was investigated in fishes from 2 localities of Lao PDR. Total 157 freshwater fishes (17 species) were collected in local markets of Vientiane Municipality and Champasak Province in December 2010 and July 2011, and each fish was examined by the artificial digestion method. Total 6 species of FZT metacercariae, i.e., Opisthorchis viverrini, Haplorchis taichui, Haplorchis yokogawai, Haplorchis pumilio, Centrocestus formosanus, and Procerovum varium, were detected in fishes from Vientiane Municipality. The metacercariae of O. viverrini were detected in 50 (49.5{\%}) out of 101 fishes (6 species), and their average number was 154 per fish infected. The remaining 5 species of heterophyid metacercariae were detected in 36.8{\%}, 65.8{\%}, 9.4{\%}, 23.9{\%}, and 5.1{\%} fishes examined, and their average densities were 12, 1,038, 4, 15, and 13 per infected fish, respectively. In fishes from Champasak Province, 3 species of FZT metacercariae, i.e., O. viverrini, H. taichui, and H. yokogawai, were detected. Only 2 O. viverrini metacercariae were found in only 1 Barbonymus schwanefeldi. The metacercariae of H. taichui and H. yokogawai were detected in 60.0{\%} and 50.0{\%} of fishes examined, and their average densities were 47 and 28 per fish infected. By the present study, it has been confirmed that several species of FZT metacercariae are prevalent in fishes from Vientiane Municipality, with P. varium being a new member of FZT in Lao PDR. In comparison, FZT metacercariae are less prevalent in fishes from Champasak Province.",
author = "Eom, {Keeseon S.} and Park, {Han Sol} and Dongmin Lee and Sohn, {Woon Mok} and Taisoon Yong and Chai, {Jong Yil} and Min, {Duk Young} and Rim, {Han Jong} and Bounnaloth Insisiengmay and Bounlay Phommasack",
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Eom, KS, Park, HS, Lee, D, Sohn, WM, Yong, T, Chai, JY, Min, DY, Rim, HJ, Insisiengmay, B & Phommasack, B 2015, 'Infection status of zoonotic trematode metacercariae in fishes from Vientiane municipality and Champasak Province in Lao PDR', Korean Journal of Parasitology, vol. 53, no. 4, pp. 447-453. https://doi.org/10.3347/kjp.2015.53.4.447

Infection status of zoonotic trematode metacercariae in fishes from Vientiane municipality and Champasak Province in Lao PDR. / Eom, Keeseon S.; Park, Han Sol; Lee, Dongmin; Sohn, Woon Mok; Yong, Taisoon; Chai, Jong Yil; Min, Duk Young; Rim, Han Jong; Insisiengmay, Bounnaloth; Phommasack, Bounlay.

In: Korean Journal of Parasitology, Vol. 53, No. 4, 25.08.2015, p. 447-453.

Research output: Contribution to journalArticle

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T1 - Infection status of zoonotic trematode metacercariae in fishes from Vientiane municipality and Champasak Province in Lao PDR

AU - Eom, Keeseon S.

AU - Park, Han Sol

AU - Lee, Dongmin

AU - Sohn, Woon Mok

AU - Yong, Taisoon

AU - Chai, Jong Yil

AU - Min, Duk Young

AU - Rim, Han Jong

AU - Insisiengmay, Bounnaloth

AU - Phommasack, Bounlay

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N2 - The infection status of fishborne zoonotic trematode (FZT) metacercariae was investigated in fishes from 2 localities of Lao PDR. Total 157 freshwater fishes (17 species) were collected in local markets of Vientiane Municipality and Champasak Province in December 2010 and July 2011, and each fish was examined by the artificial digestion method. Total 6 species of FZT metacercariae, i.e., Opisthorchis viverrini, Haplorchis taichui, Haplorchis yokogawai, Haplorchis pumilio, Centrocestus formosanus, and Procerovum varium, were detected in fishes from Vientiane Municipality. The metacercariae of O. viverrini were detected in 50 (49.5%) out of 101 fishes (6 species), and their average number was 154 per fish infected. The remaining 5 species of heterophyid metacercariae were detected in 36.8%, 65.8%, 9.4%, 23.9%, and 5.1% fishes examined, and their average densities were 12, 1,038, 4, 15, and 13 per infected fish, respectively. In fishes from Champasak Province, 3 species of FZT metacercariae, i.e., O. viverrini, H. taichui, and H. yokogawai, were detected. Only 2 O. viverrini metacercariae were found in only 1 Barbonymus schwanefeldi. The metacercariae of H. taichui and H. yokogawai were detected in 60.0% and 50.0% of fishes examined, and their average densities were 47 and 28 per fish infected. By the present study, it has been confirmed that several species of FZT metacercariae are prevalent in fishes from Vientiane Municipality, with P. varium being a new member of FZT in Lao PDR. In comparison, FZT metacercariae are less prevalent in fishes from Champasak Province.

AB - The infection status of fishborne zoonotic trematode (FZT) metacercariae was investigated in fishes from 2 localities of Lao PDR. Total 157 freshwater fishes (17 species) were collected in local markets of Vientiane Municipality and Champasak Province in December 2010 and July 2011, and each fish was examined by the artificial digestion method. Total 6 species of FZT metacercariae, i.e., Opisthorchis viverrini, Haplorchis taichui, Haplorchis yokogawai, Haplorchis pumilio, Centrocestus formosanus, and Procerovum varium, were detected in fishes from Vientiane Municipality. The metacercariae of O. viverrini were detected in 50 (49.5%) out of 101 fishes (6 species), and their average number was 154 per fish infected. The remaining 5 species of heterophyid metacercariae were detected in 36.8%, 65.8%, 9.4%, 23.9%, and 5.1% fishes examined, and their average densities were 12, 1,038, 4, 15, and 13 per infected fish, respectively. In fishes from Champasak Province, 3 species of FZT metacercariae, i.e., O. viverrini, H. taichui, and H. yokogawai, were detected. Only 2 O. viverrini metacercariae were found in only 1 Barbonymus schwanefeldi. The metacercariae of H. taichui and H. yokogawai were detected in 60.0% and 50.0% of fishes examined, and their average densities were 47 and 28 per fish infected. By the present study, it has been confirmed that several species of FZT metacercariae are prevalent in fishes from Vientiane Municipality, with P. varium being a new member of FZT in Lao PDR. In comparison, FZT metacercariae are less prevalent in fishes from Champasak Province.

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