넙치, Paralichthys olivaceus용 습사료의 적정 지질 첨가량

• 영문명: Optimal dietary lipid content of moist pellet (MP) diet for olive flounder, Paralichthys olivaceus
• 발행기관: 전남대학교 수산과학연구소
• 저자명: 정관식(Gwan Sik JEONG) 지승철(Seung Cheol Ji)
• 간행물 정보: 『수산과학연구소 논문집』제12권, 25~31쪽, 전체 7쪽
• 주제분류: 농수해양 > 수산학
• 파일형태: PDF
• 발행일자: 2003.12.30

영문 초록

A feeding experiment was performed for 8 weeks by experimental feed, in which fish oil was added as lipid source and energy to protein ratio (E/P) was adjusted, to investigate proper E/P of moist pellet (MP) diet for olive flounder, Paralichthys olivaceus. For addition of fish oil in the MP diet, non-added group as control, 3, 6, 9, and 12% added group were set up. E/P was increased in proportion to the added amount of fish oil in the range of 8.7~11.8. Growth rates of each group were 121.9%, 135.2%, 141.9%, 175.0%, and 165.7%, and significantly higher in the more than 6% of fish oil added groups (P＜0.05). However, the 12% added group showed decrease in feed efficiency and growth rate compared to the 9% added group. Daily feed intake of each group were 2.21%, 2.28%, 2.42%, 2.72% and 2.79%, and significantly higher in the fish oil added groups (P＜0.05). Protein efficiency ratio was significantly increased in all the groups added with fish oil, compared to the control group. As result of analysis on the body composition of olive flounder, there was no significant difference in moisture, crude protein and crude ash (P＞0.05), however, crude lipid and hepatic lipid content of them showed significantly high values in the fish oil added groups (P＜0.05). As result of this experiment, it is judged that optimal E/P ratio of MP diet was 10.1~10.3, and optimal addition level of fish oil to MP diet was 6~9%.

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