Journal of fish pathology (한국어병학회지)

The Korean Society of Fish Pathology (한국어병학회)
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Infection of Clinostomum complanatum (Rudolphi, 1814) in spotted barbel gudgeon (Squalidus multimaculatus Hosoya et Jeon)

자연산 점몰개, Squalidus multimaculatus Hosoya et Jeon의 새인두흡충, Clinostomum complanatum (Rudolphi, 1814) 감염

  • Park, Myoung-Ae (Pathology Division, National Fisheries Research & Development Institute (NFRDI)) ;
  • Seo, Jung-Soo (Pathology Division, National Fisheries Research & Development Institute (NFRDI)) ;
  • Jung, Sung-Hee (Pathology Division, National Fisheries Research & Development Institute (NFRDI)) ;
  • Choi, Hee-Jung (Pathology Division, National Fisheries Research & Development Institute (NFRDI)) ;
  • Jeon, Eun-Ji (Pathology Division, National Fisheries Research & Development Institute (NFRDI)) ;
  • Jee, Eo-Young (Aquatic Life Disease Control Division, NFRDI) ;
  • Lee, Wan-Ok (Central Regional Inland Fisheries Research, NFRDI) ;
  • Woo, Sung-Ho (Department of Aquatic Life medicine, Pukyong National University) ;
  • Lee, Eun-Hye (Pathology Division, National Fisheries Research & Development Institute (NFRDI))
  • 박명애 (국립수산과학원 병리연구과) ;
  • 서정수 (국립수산과학원 병리연구과) ;
  • 정승희 (국립수산과학원 병리연구과) ;
  • 최희정 (국립수산과학원 병리연구과) ;
  • 전은지 (국립수산과학원 병리연구과) ;
  • 지보영 (국립수산과학원 수산생물방역과) ;
  • 이완옥 (국립수산과학원 중앙내수면연구소) ;
  • 우승호 (부경대학교 수산생명의학과) ;
  • 이은혜 (국립수산과학원 병리연구과)
  • Received : 2011.03.23
  • Accepted : 2011.05.31
  • Published : 2011.08.31
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Abstract

The metacercariae of Clinostomum complanatum (Rudolphi, 1814) were isolated in the whole body muscle of wild freshwater fish, spotted barbel gudgeon (Squalidus multimaculatus Rosoya et Jeon) from the local river in Yeongdeok, Gyeongsangbuk-do, Korea. The infected fish with bumpy body surface by "yellow grub" showed erratic swimming behavior and some fish were died. The isolated excysted metacercariae were tongue shaped and 2.85~5.89 mm ${\times}$ 0.8~1.99 mm in size. 1~98 metacercariae were isolated in individual fish and mean infection intensity was 25. All examined adult spotted barbel gudgeon sizing 7 cm in body length were infected. This is the first report of disease outbreak and mortality caused by C. complanatum infection in wild freshwater fish in Korea.

경상북도 영덕군의 하천에 서식하는 점몰개 spotted barbel gudgeon (Squalidus multimaculatus Hosoya et Jeon)의 근육에서 새인두흡충 Clinostomum complanatum (Rudolphi, 1814)의 피낭유충이 발견되었다. 감염된 점몰개는 "yellow grub"인 기생충의 피낭유충으로 인해 표면이 울퉁불퉁하게 보였으며, 수면위에 힘없이 유영하였고 일부 폐사한 개체도 발견되었다. 분리된 탈낭유충의 형태는 혓바닥모양이었으며, 크기는 2.85~5.89 mm${\times}$0.8~1.99 mm였다. 어체당 1~98개의 피낭유충을 분리하였으며 평균 감염수는 25개로 나타났다. 특히, 성어크기인 평균 7cm 정도의 점몰개는 100% 감염되어 있었다. 본 연구는 한국의 자연수계에 서식하는 어류에서 C. complanatum 의해 질병이 발생하고 폐사가 일어난 첫 보고이다.

Keywords

References

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