Journal of Aquaculture (한국양식학회지)
- Volume 7 Issue 1
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- Pages.9-20
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- 1994
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- 1226-0193(pISSN)
Indoor Tank Culture of the Abalone Haliotis discus hannai I . Effects of tank shape and stocking density on the growth of young abalone
전복 Haliotis discus hannai의 육상수조사육에 관한 연구 I. 치패성장에 미치는 수조형태 및 사육밀도의 영향
- JEONG Seong-Chae (Aquaculture Department, National Fisheries Research and Development Agency(NFRDA)) ;
- JEE Young-Ju (Shellfish and Algae Division, NFRDA) ;
- SON Pal-Won (South Sea Fisheries Research Institute Cheju Laboratory, NFRDA)
- Published : 1994.02.01
Abstract
To find out suitable indoor rearing tank shape and stocking density of the abalone Haliotis discus hannai, young abalones were reared in the square or ellipse shape tanks with various stocking densities and were fed dried sea mustard, Undaria Pinnatifida HARVEY for three years. There were no significant differences between the square rearing tank and the ellipse one in growth rate and survival rate. With regard to vertical design of rearing tanks with three floors, the significant differences were not found among culture floors. However, the growth and survival rates of young abalones from the running water system were significantly higher than those of the abalones from the circulating system (P< 0.05). For the stocking density experiment with 1,000, 1,500 and 2,000 individuals of 20 mm young abalone, there was no significant differences in growth and survival rates among these groups. However, in that of 200-400 individuals of 40 mm abalone and 100-300 individuals of 50 mm abalone, the lower stocking density of young abalone showed the higher growth and survival rates. The lower stocking density and the smaller size of young abalones showed the higher daily feeding rate and feed efficiency.
전복을 육상에서 사육하기 위한 시설형태 및 적절한 사육밀도의 구명을 위해 수조형태 및 수용밀도별 사육실험을 한 결과 1. 수조형태, 단별에 따른 성장과 생존율의 차리는 인정되지 않았고, 유수식과 순환식사육의 비교에서는 유수식의 성장도와 생존율이 좋았다. 2. 수조단수별 (3단)에 따른 성장과 생존율의 차이가 인정되지 않아 동일량의 사육수로 단위면적 당 3배의 생산이 가능하였다. 3. 밀도별실험에서
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