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서해안 굴, Crassostrea gigas의 건강도 평가를 위한 Condition index와 혈구 apoptosis 분석

Condition index and hemocyte apoptosis as a health indicator for the Pacific oysters, Crassostrea gigas cultured in the western coastal waters of Korea

  • 임현정 (국립수산과학원 서해수산연구소) ;
  • 임매순 (충청남도 수산관리소) ;
  • 이원영 (국립수산과학원 서해수산연구소) ;
  • 최은희 (국립수산과학원 서해수산연구소) ;
  • 윤주현 (국립수산과학원 서해수산연구소) ;
  • 박승윤 (국립수산과학원 서해수산연구소) ;
  • 이승민 (국립수산과학원 서해수산연구소) ;
  • 김수경 (국립수산과학원 서해수산연구소)
  • Lim, Hyun Jeong (West Sea Fisheries Research Institute, National Fisheries Research & Development Institute) ;
  • Lim, Mae Soon (Fisheries Management Office) ;
  • Lee, Won Young (West Sea Fisheries Research Institute, National Fisheries Research & Development Institute) ;
  • Choi, Eun Hee (West Sea Fisheries Research Institute, National Fisheries Research & Development Institute) ;
  • Yoon, Ju Hyun (West Sea Fisheries Research Institute, National Fisheries Research & Development Institute) ;
  • Park, Seung Yoon (West Sea Fisheries Research Institute, National Fisheries Research & Development Institute) ;
  • Lee, Seung Min (West Sea Fisheries Research Institute, National Fisheries Research & Development Institute) ;
  • Kim, Su Kyoung (West Sea Fisheries Research Institute, National Fisheries Research & Development Institute)
  • 투고 : 2014.09.15
  • 심사 : 2014.09.23
  • 발행 : 2014.09.30

초록

A significant production decrease has been witnessed for the Pacific oysters, Crassostrea gigas farmed in the western coastal waters of Korea, presumably by the loss of physiological viability. We evaluated the viability in terms of health indicators, the condition indices and hemocyte apoptosis rates of the oysters inhabiting two representative farming sites, Incheon and Taean each with different environmental variables. In our monthly measurements for the whole year 2013, the indicators were location specific. The condition indices of Incheon were highly variable, 1.67-8.58%, while those of Taean were less, 2.28-5.57%. The condition indices decreased during the spawning seasons, July and September in common. The two oysters exhibited also differed in the apoptotic activities of hemocyte, highly active, 4.03-30.15% for Incheon oysters and less active, 2.87-17.48% for Taean oysters. One thing we could identify was the two measurements were adverse during the critical seasons of spawning, reminiscent of being a useful tool for a health indicator for the oysters. Similar trend was also observed in the time when change in temperature was extreme. The findings in this study are highly indicative of health indicators for the oyster aquaculture.

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참고문헌

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  2. 통영-거제해역 수하연 양식 참굴(Crassostrea gigas)의 비만도 장기변화와 영향 요인 고찰 vol.54, pp.4, 2014, https://doi.org/10.5657/kfas.2021.0434