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Evaluation of tagging of olive flounder, Paralichthys olivaceus for stock enhancement

방류용 넙치, Paralichthys olivaceus의 표지방법 연구

  • Kwon, Mun Gyeong (Pathology Division, National Fisheries Research and Development Institute) ;
  • Seo, Jung Soo (Pathology Division, National Fisheries Research and Development Institute) ;
  • Hwang, Jee Youn (Pathology Division, National Fisheries Research and Development Institute)
  • 권문경 (국립수산과학원 병리연구과) ;
  • 서정수 (국립수산과학원 병리연구과) ;
  • 황지연 (국립수산과학원 병리연구과)
  • Received : 2014.08.04
  • Accepted : 2014.08.19
  • Published : 2014.08.30

Abstract

The suitable tag was investigated based on the cumulative mortality, blood chemistry and histopathology of olive flounder, Paralichthys olivaceus. The dissection of opercle, 50% dissection of pelvic fin and 100% dissection of pelvic fin was used in the experiment. Cumulative mortality of dissection of opercle group was high. The dissection of opercle and 100% pelvic fin dissection groups was showing histological changes after 13days of tagging: purulent inflammation in the liver, fibrous inflammation in the body kidney, hyperplastic ellipsoide capillary in the spleen. As the results, 50% pelvic fin cutting group is the most effective out of them.

넙치에 적합한 표지방법을 조사하기 위하여 표지 후 누적폐사율, 혈액생화학적 성상과 조직병리학적 조사를 하였다. 본 연구에서는 아가미뚜껑 절단, 배지느러미 50%와 100% 절단 방법을 사용하였다. 누적폐사율은 아가미뚜껑 절단구가 가장 높았다. 배지느러미 100% 절단구와 아가미뚜껑 절단구는 절단 후 13일 째 조직병리학적 변화를 나타내었다: 간에서 화농성 염증반응, 체신에서 섬유성 염증반응이 관찰되었다. 본 연구결과 50% 배지느러미 절단구가 가장 효과적인 표지방법인 것으로 판단된다.

Keywords

References

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