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논문 기본 정보

자료유형
학술저널
저자정보
이정호 김성삼 김강웅 김경덕 이봉주 이진혁 한현섭 김재원 김성연 이경준
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한국수산과학회 한국수산과학회지 한국수산과학회지 제47권 제3호
발행연도
2014.6
수록면
234 - 240 (7page)

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We investigated the effects of feeding rate on the growth performance, blood components, and histology of growing olive flounder Paralichthys olivaceus. We determined the optimum feeding rate (initial fish mean weight of 240 ± 10.9 g) at the optimum water temperature. Two replicated groups of fish were fed a commercial diet at rates of 0%, 0.5%, 0.75% and 1.0% body weight (BW) per day, and to satiation. Feeding trial was conducted using a flow-through system with 10 1.2-metric ton aquaria receiving filtered seawater at 19-21°C for three weeks. Weight gain (WG) for fish fed to satiation was significantly higher than that of unfed fish and fish fed at 0.5% and 0.75% BW per day. The WG offish fed at 1.0% BW per day was significantly higher than that of unfed fish and offish fed at 0.5% BW per day. However, there were no significant differences in WG between fish fed at 0.5% BW per day and those fed at 0.75% BW per day, between fish fed at 0.75% BW per day and those fed at 1.0% BW per day, and between fish fed at 1.0% BW per day and those fed to satiation. The specific growth rates of fish fed at 1.0% BW per day and those fed to satiation were significantly higher than those of unfed fish and offish fed at 0.5% BW per day. Broken-line regres-sion analysis of weight gain showed that the optimum feeding rate of olive flounder weighing 240 g was 1.09% BW per day at the optimum water temperature.

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