Infection Status with Clonorchis sinensis Metacercariae in Fish from Tamjin-gang (River) in Jeollanam-do, Republic of Koreaopen access
- Yoon, Ki-Bok; Lim, Hyun-Cheol; Jeon, Doo Young; Park, Sook; Cho, Shin-Hyeong; Ju, Jung-Won; Shin, Sung-Shik; Na, Byoung-Kuk; Sohn, Woon-Mok
- Issue Date
- KOREAN SOC PARASITOLOGY, SEOUL NATL UNIV COLL MEDI
- Clonorchis sinensis; metacercaria; freshwater fish; index fish; Pungtungia herzi; Tamjin-gang
- KOREAN JOURNAL OF PARASITOLOGY, v.56, no.2, pp.183 - 188
- Journal Title
- KOREAN JOURNAL OF PARASITOLOGY
- Start Page
- End Page
- The present study was performed to investigate the infection status with Clonorchis sinensis metacercariae (CsMc) in fishes from 2 sites, the middle and lower reaches, of Tamjin-gang (River) in Jeollanam-do, the Republic of Korea. Total 1,132 fishes in 22 species were collected from the middle reaches in Jangheung-gun for 4 years (2014-2017) and 517 fishes in 17 species were also collected from the lower reaches in Gangjin-gun in 2014 and 2017. They were all individually examined with the artificial digestion method in our laboratory. CsMc were detected in 322 (28.5%) out of 1,132 fishes from Jangheung-gun, and in 161 (31.1%) out of 517 fishes from Gangjin-gun, and their densities were 51 and 57 per fish infected each. In the fish species with CsMc, positive rates were 61.5% in Jangheung-gun and 62.7% in Gangjin-gun. A total of 222 Pungtungia herzi were examined and they were all infected with CsMc. The average intensity was 103 CsMc in the index fish, P. herzi (95 in Jangheung-gun and 121 in Gangjin-gun). In P. herzi bimonthly examined in 2017, the intensity was commonly most higher in March in 2 surveyed sites, however the significant seasonal endemicity was not showed. Conclusively, it was confirmed that CsMc is more or less prevalent in fishes from Tamjin-gang and their endemicity is higher in fish from the lower reaches in Gangjin-gun than the middle reaches in Jangheung-gun in Jeollanam-do, Korea.
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