한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제37권2호
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  • Pages.116-121
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  • 2004
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  • 0374-8111(pISSN)
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  • 2287-8815(eISSN)
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)
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빠른 염분변화가 Striped bass 잡종 (Morone Chrysops male X Msaxatilis female)의 생리적 반응과 생존에 미치는 영향

Effects of Acute Change of Salinity on Physiological Response and Survival in Hybrid Striped Bass (Morone Chrysops male X Msaxatilis female)

  • 임한규 (국립수산과학원 울진수산종묘시험장) ;
  • 이종하 (국립수산과학원 울진수산종묘시험장) ;
  • 정민환 (부경대학교 양식학과) ;
  • 한형균 (국립수산과학원 울진수산종묘시험장) ;
  • 임영수 (국립수산과학원 울진수산종묘시험장) ;
  • 이정호 (국립수산과학원 울진수산종묘시험장) ;
  • 이병철 (국립수산과학원 울진수산종묘시험장)
  • LIM Han Kyu (Uljin Marine Hatchery, National Fisheries Research and Development Institute) ;
  • LEE Jong Ha (Uljin Marine Hatchery, National Fisheries Research and Development Institute) ;
  • JEONG Min Han (Department of Aquaculture, Pukyong National University) ;
  • HAN Hyoung-Kyun (Uljin Marine Hatchery, National Fisheries Research and Development Institute) ;
  • LIM Young Soo (Uljin Marine Hatchery, National Fisheries Research and Development Institute) ;
  • LEE Jeong-Ho (Uljin Marine Hatchery, National Fisheries Research and Development Institute) ;
  • LEE Byung-Chul (Uljin Marine Hatchery, National Fisheries Research and Development Institute)
  • 발행 : 2004.04.01
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초록

Physiological responses and tolerance limit of hybrid striped bass $(Morone\;Chrysops\;male{\times}\;M.\;saxatilis\;female),$ were investigated on salinity changes from 33 psu to 0 psu and from 0 to psu 33 psu in two separate trials, respectively. In the acute salinity decrease from sea water (33 psu) to fresh water (0 psu), plasma level of cortisol, glucose, total protein, aspartate aminotransferase (AST) and alanine aminotransferase (ALT) were not affected, however, $Na^+,\;Cl^-$ and osmolality significantly decreased. In the acute salinity increase from fresh water to sea water (33 psu), plasma cortisol level did not change. Glucose and total protein concentrations in plasma and hematocrit (Hct) decreased, whereas AST, ALT, $Na^+,\;Cl^-$ and osmolality increased. The hybrid striped bass can overcome the acute changes of salinity, from 0 psu to 33 psu or from 33 psu to 0 psu, But salinity decrease stressed the fish much more than salinity increase.

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참고문헌

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