Korean J Parasitol.  2014 Feb;52(1):35-40. 10.3347/kjp.2014.52.1.35.

Zoonotic Trematode Metacercariae in Fish from Phnom Penh and Pursat, Cambodia

Affiliations
  • 1Department of Parasitology and Tropical Medicine, Seoul National University College of Medicine, and Institute of Endemic Diseases, Seoul National University Medical Research Center, Seoul 110-799, Korea.
  • 2Department of Parasitology and Tropical Medicine, and Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju 660-751, Korea. wmsohn@gnu.ac.kr
  • 3Department of Environmental Medical Biology and Institute of Tropical Medicine, Yonsei University College of Medicine, Seoul 120-752, Korea.
  • 4Department of Parasitology and Medical Research Institute, Chungbuk National University College of Medicine, Cheongju 360-763, Korea.
  • 5Korea Association of Health Promotion, Seoul 157-704, Korea.
  • 6National Malaria Center for Parasitology, Entomology and Malaria Control, Phnom Penh, Cambodia.

Abstract

A survey was performed to investigate the infection status of freshwater fish with zoonotic trematode metacercariae in Phnom Penh and Pursat Province, Cambodia. All collected fish with ice were transferred to our laboratory and examined using the artificial digestion method. In fish from Phnom Penh, 2 kinds of metacercariae (Opisthorchis viverrini and Haplorchis yokogawai) were detected. O. viverrini metacercariae were positive in 37 (50.0%) of 74 fish in 11 species (average no. metacercariae/fish, 18.6). H. yokogawai metacercariae were detected in 23 (57.5%) of 40 fish in 5 species (average no. metacercariae/fish, 21.0). In fish from Pursat Province, 5 kinds of metacercariae (O. viverrini, H. yokogawai, Haplorchis pumilio, Centrocestus formosanus, and Procerovum sp.) were detected; O. viverrini metacercariae (n=3) in 2 fish species (Henicorhynchus lineatus and Puntioplites falcifer), H. yokogawai metacercariae (n=51) in 1 species (P. falcifer), H. pumilio metacercariae (n=476) in 2 species (H. lineatus and Pristolepis fasciata), C. formosanus metacercariae (n=1) in 1 species (H. lineatus), and Procerovum sp. metacercariae (n=63) in 1 species (Anabas testudineus). From the above results, it has been confirmed that various freshwater fish play the role of a second intermediate host for zoonotic trematodes (O. viverrini, H. yokogawai, H. pumilio, C. formosanus, and Procerovum sp.) in Cambodia.

Keyword

Opisthorchis viverrini; Haplorchis yokogawai; Haplorchis pumilio; Centrocestus formosanus; Procerovum sp.; zoonotic trematode; Cambodia

MeSH Terms

Animals
Cambodia/epidemiology
Fish Diseases/*epidemiology/*parasitology
Humans
Metacercariae/classification/isolation & purification
Prevalence
Trematoda/*classification/*isolation & purification
Trematode Infections/epidemiology/parasitology/*veterinary
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