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수온과 shelter 형태를 달리한 참전복 사육에서 배합사료 및 미역 공급 효과
이상민(Sang Min Lee),박찬선(Chan Sun Park),고태승(Tae Seung Go) 한국수산과학회 1999 한국수산과학회지 Vol.32 No.3
A 15-week feeding trial was conducted to investigate the effect of formulated diet or macroalgae (Undaria pinnatifida) on the survival, growth and body composition of juvenile abalone(Haliotis discus hannai) under the different rearing environmental conditions (four shelter types and two water temperatures). Water temperature was maintained to 16.4℃ by heated and 13.7℃ by not heated natural sea water. The survival rate, weight gain and shell growth of abalone were affected by diet and water temperature (P<0.001). Survival rate of abalone fed the formulated diets was higher than that of abalone fed the Undaria pinnatifida at natural sea water (F<0.05), but this value was not influenced within abalone stoeked at healed sea water in each shelter group (P>0.05). Weight and shell growth of abalone fed the formulated diets were significantly higher than those of abalone fed the Undaria pinnatifida at each temperature or shelter (P<0.05). Moisture, lipid and ash contents of the soft body were mainly affected by feeding diet than temperature or shelter (P<0.05). This study indicate that formulated diet used in this experiment could improve the growth of abalone independent of water temperature or shelter, and heated water could show a better growth of abalone in winter season.
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