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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 1997.5
- 수록면
- 123 - 131 (9page)
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Growth of triploid abalone, Haliotis discus hannai induced by cold (3℃) shock and its feed efficiency were investigated from larva to adult for 51 months.
After 51 months from triploidy induction, the triploid abalones have outgrown to diploid abalones in shell length and total weight. Triploid abalones with inhibition of extrusion of first polar body (3n-1pb) were outgrown to diploid abalones, however, triploid abalones with inhibition of extrusion of second polar body (3n-2pb) were not significantly different from diploid controls in shell length and total weight through the whole rearing period (P<0.05), because of their heterozygosity differences.
Daily feeding rates and feed conversion rates decreased with the growth of abalones and both rates had no difference between two experimental groups.
After 51 months from inducing triploid, condition index of triploid abalone (64.1%) was higher than that of diploid control (59.4%) (P<0.05) and gonad index of triploid abalone (1.17) was lower than that of diploid control (2.67) (P<0.05).
Survival rate was 63.0% in triploid group (3n-1pb 62.0%, 3n-2pb 64.0%) and 62.0% in diploid group during the experimental period.
After 51 months from triploidy induction, the triploid abalones have outgrown to diploid abalones in shell length and total weight. Triploid abalones with inhibition of extrusion of first polar body (3n-1pb) were outgrown to diploid abalones, however, triploid abalones with inhibition of extrusion of second polar body (3n-2pb) were not significantly different from diploid controls in shell length and total weight through the whole rearing period (P<0.05), because of their heterozygosity differences.
Daily feeding rates and feed conversion rates decreased with the growth of abalones and both rates had no difference between two experimental groups.
After 51 months from inducing triploid, condition index of triploid abalone (64.1%) was higher than that of diploid control (59.4%) (P<0.05) and gonad index of triploid abalone (1.17) was lower than that of diploid control (2.67) (P<0.05).
Survival rate was 63.0% in triploid group (3n-1pb 62.0%, 3n-2pb 64.0%) and 62.0% in diploid group during the experimental period.
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UCI(KEPA) : I410-ECN-0101-2009-529-015349756