Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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Physiological Characteristics of Olive Flounder (Paralichthys olivaceus) and Korean Rockfish (Sebastes schlegelii) According to the Concentration of Suspended Load

부유사 농도에 따른 넙치와 조피볼락의 생리학적 특성

  • Ha-Jeong Son (Department of Marine Biology Aquaculture and Life Sciences/Marine Bio-Education & Research Center, College of Marine Science, Gyeongsang National University) ;
  • Kwang-Min Choi (Department of Marine Biology Aquaculture and Life Sciences/Marine Bio-Education & Research Center, College of Marine Science, Gyeongsang National University) ;
  • Gyoungsik Kang (Department of Marine Biology Aquaculture and Life Sciences/Marine Bio-Education & Research Center, College of Marine Science, Gyeongsang National University) ;
  • Won-Sik Woo (Department of Marine Biology Aquaculture and Life Sciences/Marine Bio-Education & Research Center, College of Marine Science, Gyeongsang National University) ;
  • Kyung-Ho Kim (Department of Marine Biology Aquaculture and Life Sciences/Marine Bio-Education & Research Center, College of Marine Science, Gyeongsang National University) ;
  • Min Yong Sohn (Department of Marine Biology Aquaculture and Life Sciences/Marine Bio-Education & Research Center, College of Marine Science, Gyeongsang National University) ;
  • Min-Soo Joo (East Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Chan-Il Park (Department of Marine Biology Aquaculture and Life Sciences/Marine Bio-Education & Research Center, College of Marine Science, Gyeongsang National University)
  • 손하정 (경상국립대학교 해양생명과학과) ;
  • 최광민 (경상국립대학교 해양생명과학과) ;
  • 강경식 (경상국립대학교 해양생명과학과) ;
  • 우원식 (경상국립대학교 해양생명과학과) ;
  • 김경호 (경상국립대학교 해양생명과학과) ;
  • 손민영 (경상국립대학교 해양생명과학과) ;
  • 주민수 (국립수산과학원 동해수산연구소 양식산업과) ;
  • 박찬일 (경상국립대학교 해양생명과학과)
  • Received : 2022.08.25
  • Accepted : 2022.10.27
  • Published : 2022.12.31
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Abstract

After exposing Olive flounder and Korean rockfish to the concentration ranges of control (0 mg/L), 100 mg/L, 250 mg/L, 500 mg/L, and 1,000 mg/L, to investigate the physiological properties of suspended load on fish AST/GOT, ALT/GPT, ALP and cortisol were analyzed. As a result of the analysis, the AST/GOT, ALT/GPT, ALP and cortisol values were higher in the suspended load concentration section than in the control group. After artificial infection with S. parauberis for Olive flounder and V. harveyi for Korean rockfish exposed to suspended load, the survival rate was higher in the control group than in the suspended load concentration section. These results are related to the previously study results of suspended load that adversely affect fish, suggesting that suspended load affects the health of fish.

부유사가 어류에 미치는 생리학적 특성을 알아보기 위해 대조구(0 mg/L), 100 mg/L, 250 mg/L, 500 mg/L, 1,000 mg/L인 농도 구간에 넙치와 조피볼락을 노출시킨 후 AST/GOT, ALT/GPT, ALP와 cortisol을 분석하였다. 분석 결과 부유사 농도 구간에서 AST/GOT, AL T/GPT, ALP와 cortisol 값이 대조구에서 보다 높게 나타났다. 부유사에 노출된 넙치에는 S. parauberis, 조피볼락에는 V. harveyi를 인위감염하였을 때 생존율은 부유사 농도 구간에서보다 대조구에서 더 높게 나타났다. 이러한 결과는 이전에 연구되었던 부유사가 어류에 악영향을 미친다는 결과와 연관되어지며, 어류의 건강도에 부유사가 영향을 주는 것으로 시사된다.

Keywords

Acknowledgement

이 논문은 2022년도 경상국립대학교 연구년제연구교수 연구지원비에 의하여 수행된 연구입니다. 이 논문은 2022년도 국립수산과학원 수산시험연구사업(R2022003)의 지원으로 수행된 연구입니다.

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