Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Survival Rate and Body Composition Changes in Juvenile Abalone Haliotis discus hannai by Temperature/Salinity Change

급격한 염분변화에 따른 수온별 참전복(Haliotis discus hannai) 치패의 생존율 및 체성분 변화

  • Jeong, Min Hwan (Aquaculture Management Division, National Fisheries Research & Development Institute) ;
  • Kim, Seong-Hee (Planning Department, Ministry of Oceans & Fisheries) ;
  • Park, Mi Seon (Aquaculture Management Division, National Fisheries Research & Development Institute) ;
  • Kim, Kang Woong (Aquafeed research Center, National Fisheries Research & Development Institute) ;
  • Chang, Young Jin (Development of Marine Bio-Materials and Aquaculture, Pukyong National University) ;
  • Myeong, Jeong-In (Aquaculture Management Division, National Fisheries Research & Development Institute)
  • 정민환 (국립수산과학원 양식관리과) ;
  • 김성희 (해양수산부 기획조정실) ;
  • 박미선 (국립수산과학원 양식관리과) ;
  • 김강웅 (국립수산과학원 사료연구센터) ;
  • 장영진 (부경대학교 해양바이오신소재학과) ;
  • 명정인 (국립수산과학원 양식관리과)
  • Received : 2013.06.26
  • Accepted : 2013.09.23
  • Published : 2013.10.31
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Abstract

Physiological studies on the salinity tolerance with respect to survival rate and body composition changes of the abalone Haliotis discus hannai were conducted by rapidly changing the salinity in an indoor rearing system. The survival rate of the control (35 psu), 30 and 25 psu groups at $15^{\circ}C$ was 100%. The survival rate of the 20 psu group was $35{\pm}5.0%$. Survival rate of the 15 psu group was 0%. At $15^{\circ}C$ and 35, 30, 25, 20, 15 psu, the moisture contents of abalone muscle were $82.1{\pm}0.7$, $82.5{\pm}0.7$, $84.9{\pm}0.5$, $86.9{\pm}0.3$ and $86.6{\pm}0.4%$, respectively. Crude lipid contents were $0.47{\pm}0.03$, $0.47{\pm}0.03$, $0.47{\pm}0.09$, $0.77{\pm}0.09$ and $0.63{\pm}0.03%$, respectively and crude ash contents were $1.30{\pm}0.12$, $1.33{\pm}0.15$, $1.13{\pm}0.23$, $1.87{\pm}0.15$ and $1.40{\pm}0.31%$, respectively. At salinity below 20 psu, these values increased compared with the control. The general components of abalone muscles significantly increased below 20 psu, while amino acid composition showed no significant difference with salinity and water temperature.

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References

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