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경북 청도천에서 채집된 담수어에 있어서 흡충류 피낭유충의 최근 기생상

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Author(s)
주종윤백은희
Keimyung Author(s)
Joo, Chong Yoon
Department
Dept. of Medical Genetics (의학유전학)
Journal Title
Keimyung Medical Journal
Issued Date
2008
Volume
27
Issue
1
Keyword
Centrocestus amatusClinostomum complanatumClonorchis sinensisDigenetic larval trematodesExorchis oviformisFresh-water fishRiver Cheongdo Metacercarial burden
Abstract
Recent pattern of infections with digenetic larval trematodes from fresh- water fish
was studied in three locations of the River Cheongdo during the period from March to November;
2007; and compared with the data reported previously in the same river. The fish were collected
using following techniques: fishing; throwing a castnet; and using a bait of crushed oil cake in a
transparent plastic bowl. Of 18 species of fish examined; 11 species of encysted larvae;
Clonorchis sinensis; Cyathocotyle orientalis; Centrocestus armatus; Clinostomum complanatum;
Exorchis oviformis; Echinochasmus species; Holostephanus species; Metagonimus species;
Metacecaria hasegawai; and Metorchis orientalis; Pseudexorchis major and two kinds of
undetermined cyst A and C were found. The encysted larvae of Cyathocotyle orientalis and
Metacercaria hasegawai were found most frequently from 13 species of fresh-water fish;
followed by Exorchis oviformis larvae from 10 species; the cyst of Metagonimus species from 9
species; Clonorchis sinensis from 8 species; Clinostomum complanatum from 6 species; and
Centrocestus armatus; Echinochasmus species; Metorchis orientalis; and Pseudexorchis major
from 2 species. The infection rates of fish with Clonorchis sinensis larvae were lower than those
reported in 2002; whereas their intensity of infection was found lowered in 3 species; Pungtungia
herzi; Saurogobio dabryi; and Squalidus japonicus coreanus. The infection rates and intensity of 6
species of fish with Metagonimus species larvae were lower than the results in 2002; while the
rates in several species of fish with Exorchis oviformis rather higher. The encysted larvae of
Cyathocotyle orientalis; Metacercaria hasegawai; and Metorchis orientalis showed variations in
infection rates of fish in 2002 and in the present study. However; it was impossible to compare
the infection rates for the encysted larvae on the scales; fins and tail as they varied so considerably in both 2002 and 2007 surveys. This study indicates that the rate of infection with
digenetic larval trematodes in fresh-water fish was still relatively high in the River Cheongdo; and
the metacercarial burden in the fish varies greatly by different fish in 2002.
Alternative Title
Recent Patterns of Infections with Digenetic Larval Trematodes from Fresh-water Fish in River
Cheongdo; Kyongbuk Province; Korea*
Keimyung Author(s)(Kor)
주종윤
Publisher
Keimyung University School of Medicine
Citation
주종윤 and 백은희. (2008). 경북 청도천에서 채집된 담수어에 있어서 흡충류 피낭유충의 최근 기생상. Keimyung Medical Journal, 27(1), 16-31-16–31.
Type
Article
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/40262
Appears in Collections:
2. Keimyung Medical Journal (계명의대 학술지) > 2008
1. School of Medicine (의과대학) > Dept. of Medical Genetics (의학유전학)
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