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KMID : 0425120210590030265
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Parasites, Hosts and Diseases
2021 Volume.59 No. 3 p.265 ~ p.271
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Prevalence and Infection Intensity of Zoonotic Trematode Metacercariae in Fish from Soyang-cheon (Stream), in Wanju-gun, Jeollabuk-do, Korea
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Sohn Woon-Mok
Na Byoung-Kuk
Cho Shin-Hyeong
Ju Jung-Won
Kim Cheon-Hyeon
Hwang Min-Ah
No Kyeong-Woo
Park Jong-Ho
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Abstract
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We surveyed on the infection status of zoonotic trematode metacercariae (ZTM) in freshwater fishes from Soyang-cheon (a branch stream of Mangyeong-gang) in Wanju-gun, Jeollabuk-do, the Republic of Korea. A total of 927 fishes were individually examined with the artificial digestion method during 2013?2015 (462 fish in 15 spp.) and 2018?2019 (465 fish in 25 spp.). Clonorchis sinensis metacercariae were detected in 207 (31.4%) out of 659 fishes in 14 positive fish species (PFS), and their mean intensity was 114 per fish infected (PFI). Metagonimus spp. metacercariae were found in 302 (37.4%) out of 808 fishes in 21 PFS, and their mean intensity was 12 PFI. Centrocestus armatus metacercariae were detected in 222 (59.0%) out of 376 fishes in 12 PFS, and their mean intensity was 383 PFI. Echinostoma spp. metacercariae were found in 139 (22.1%) out of 628 fishes in 10 PFS, and their mean intensity was 7 PFI. Clinostomum complanatum metacercariae were detected in 14 (6.5%) out of 214 fishes in 4 PFS, and their mean intensity was 2.4 PFI. Metorchis orientalis metacercariae were detected in 36 (13.5%) out of 267 fishes in 5 PFS, and their mean intensity was 4.3 PFI. Conclusively, the prevalence and infection intensity of ZTM is generally not so high in fishes from Soyang-cheon. However, those of C. sinensis metacercariae are more or less higher in 2 fish species, Pungtungia herzi and Sarcocheilichthys variegatus wakiyae.
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KEYWORD
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Clonorchis sinensis, Metagonimus spp. Centrocestus armatus, Echinostoma sp., Clinostomum complanatum, Metorchis orientalis, zoonotic trematode metacercaria, Soyang-cheon, Mangyeong-gang, Korea
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