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자료유형
학술저널
저자정보
저널정보
한국수산과학회 양식분과 한국양식학회지 한국양식학회지 제18권 제1호
발행연도
2005.2
수록면
31 - 36 (6page)

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A feeding trial of two feeding rate (satiation and 80% satiation)×four feeding frequency (three meals a day, two meals a day, one meal a day and one meal every two days) factorial design with three replications was carried out to investigate the optimum feeding frequency and rate for growth of flounder during the winter season. Juvenile flounder averaging 45 g were fed a extruded pellet for 60 days. Weight gain was affected by both feeding frequency (P<0.001) and feeding rate (P<0.01). The best weight gain obtained from fish fed two meals a day with satiation was not different from that of fish fed three meals a day with satiation and 80% satiation. Feed efficiency and protein efficiency ratio of fish fed the diet three times daily were the highest among groups, but not different to other groups of fish except for one meal every two days with satiation and 80% satiation feeding. Daily feed intake was affected by both feeding frequency and feeding rate (P<0.001), these values of fish fed two and three meals a day with satiation were the highest among the groups. Moisture, crude protein, crude lipid and ash contents of fish were not affected by both feeding frequency and feeding rate (P>0.05). The results of this study indicate that the optimum feeding frequency for the growth of juvenile flounder grown from 45 g to 53 g is two meals a day with satiation feeding during the winter season.

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