Korean J Parasitol.  2006 Sep;44(3):243-246. 10.3347/kjp.2006.44.3.243.

Infection status of pond smelts, Hypomesus olidus, and other freshwater fishes with trematode metacercariae in 6 large lakes

Affiliations
  • 1Department of Malaria and Parasitic Diseases, National Institute of Health, Seoul 122-701, Korea. nihkim@nih.go.kr
  • 2Department of Parasitology and Institute of Health Sciences, Gyeongsang National University College of Medicine, Jinju 660-751, Korea.
  • 3Department of Veterinary Parasitology, Chonnam National University College of Medicine, Gwangju 500-757, Korea.
  • 4Department of Microbiology, Jeollanam-do Government Public Institute of Health & Environment, Gwangju, 502-810, Korea.
  • 5Department of Molecular Parasitology, School of Medicine, SungKyunKwan University, Suwon 440-746, Korea.

Abstract

In order to determine the current infection status of pond smelts, Hypomesus olidus, and other freshwater fishes with trematode metacercariae, a total of 4,861 pond smelts and 18 other freshwater fishes, collected from the Soyang and Uiam Lakes in Gangwon-do, the Unam Lake in Jeollabuk-do, the Jangseong Lake in Jeollanam-do, the Uirim-ji (lake) in Chungcheongbuk-do, and the Andong Lake in Gyeongsangbuk-do, were individually digested with 1% pepsin-HCl and examined under a dissecting microscope. In all pond smelts caught from the 6 lakes, we were unable to detect any known human infectious trematode metacercariae in Korea. However, in other freshwater fishes, such as, Squalidus japonicus coreanus (Unam Lake), and Zacco platypus (Jangseong Lake) and Opsariichthys uncirostris amurensis (Jangseong Lake), metacercariae of human-infecting trematodes, i.e., Clonorchis sinensis and Metagonimus sp. were detected, respectively.

Keyword

Hypomesus olidus; pond smelt; Clonorchis sinensis; Metagonimus sp.; trematode metacercaria
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