Journal of fish pathology (한국어병학회지)

The Korean Society of Fish Pathology (한국어병학회)
권호 표지

Parasitism of Pseudocaligus sp. in wild grass puffer Takifugu niphobles, and their treatment

자연산 복섬에서의 Pseudocaligus sp. 기생과 그 구제에 대해

  • Seo, Jang-Woo (Aquaculture Industry Division, Ministry for Food, Agriculture. Forestry and Fisheries) ;
  • Kim, Wi-Sik (Department of Aqualife Medicine, College of Fisheries and Ocean Science, Chonnam National University) ;
  • Han, Kyeong-Ho (Division of Marine technology, Chonnam National University) ;
  • Lee, Sung-Hoon (Division of Marine technology, Chonnam National University) ;
  • Yoo, Dong-Jae (Gyeongsangbuk-do Research Center for Freshwater Fishes) ;
  • Kim, Yi-Cheong (Southern Inland Fisheries Research Institute, National Fisheries Research & Development Institute) ;
  • Oh, Myung-Joo (Department of Aqualife Medicine, College of Fisheries and Ocean Science, Chonnam National University)
  • 서장우 (농림수산식품부 양식산업과) ;
  • 김위식 (전남대학교 수산생명의학과) ;
  • 한경호 (전남대학교 해양기술학부) ;
  • 이성훈 (전남대학교 해양기술학부) ;
  • 유동재 (경상북도 민물고기연구센타) ;
  • 김이청 (국립수산과학원 남부내수면연구소) ;
  • 오명주 (전남대학교 수산생명의학과)
  • Received : 2010.12.18
  • Accepted : 2010.04.07
  • Published : 2010.04.30
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Abstract

Parasitism of Pseudocaligus sp. in wild grass puffer Takifugu niphobles in the coast of Yeosu in spring, 2007 was identified. The preadult and adult stages of Pseudocaligus sp. were observed, which consisted of cephalothorax, genital segment and abdomen. Lunules were present on the anterior margin of the frontal plate. In order to develop the treatment method, we examined the effects of formalin and fresh water on the parasite. The Pseudocaligus sp. were detached from the host fish by bathing at concentrations of 50 to 400 ppm formalin within 60 min, but 57% was exterminated to fresh water for 90 min.

2007년 봄철 전남 여수 연안에서 자연 서식하는 복섬에서 Pseudocaligus sp.의 기생이 확인되었다. 숙주에 감염된 충은 preadult 및 adult 단계의 형태를 보였으며, 충체는 투명하였고 편평하며, 두흉부, 생식절, 복부로 구성되어 있었다. 충의 전단부에는 lunule이라고 하는 1쌍의 흡착구조물이 관찰되었다. 구제방법을 검토하기 위해 포르말린과 담수로 처리한 결과, preadult 및 adult 단계의 Pseudocaligus sp.는 50~400ppm의 포르말린 약욕처리에서 1시간 이내에 100%가 탈락 되었으나, 담수욕 처리에서는 90분 동안 57%의 탈락률을 보였다.

Keywords

References

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