ブリ稚魚用飼料の適正n-3高度不飽和酸含量
書誌事項
- タイトル別名
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- Suitable Levels of n-3 Hihgly Unsaturated Fatty Acid in Diet for Fingerlings of Yellowtail.
- ブリ稚魚用飼料の適正n-3高度不飽和酸含量〔英文〕
- ブリ チギョヨウ シリョウ ノ テキセイ n-3 コウド フホウワサン ガンリ
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This study was conducted to clarify the relationship between dietary lipid levels and n-3 highly unsaturated fatty acids (n-3HUFA) contents, and to determine their suitable levels to sustain the normal growth of yellowtail fingerlings, by feeding them with various white fish meal diets contain-ing different amounts of lipid (6-20%) and n-3HUFA (1.4-5.9%).<br> At the level of 10% lipid, the elevation of the n-3HUFA level from 2.3 to 3.9% reduced growth, and fish fed on a diet containing 3.9% n-3HUFA showed the lowest growth performances. At the level of 15% lipid, good growth and feed efficiency were observed in fish fed on diets containing n-3HUFA from 2.1 to 3.1%, but further elevation of dietary n-3HUFA content resulted in reduced growth. On the other hand, at the level of 20% lipid, growth and feed efficiency improved as the n-3HUFA content increased, reaching a plateau in diets containing n-3HUFA above 3.4%.<br> Thus the growth of yellowtail fingerlings was influenced by dietary n-3HUFA levels, and the n-3HUFA content in diet was recommended to be increased in proportion to dietary lipid levels to obtain maximum growth. Moreover, it was also found that the upper limit of suitable n-3HUFA level in the diet was approximately 22% of dietary lipid, irrespective of lipid levels, and that the suitable lipid level in the yellowtail diet was estimated to be 15-20% when n-3HUFA was adjusted to a suitable level.
収録刊行物
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- 日本水産学会誌
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日本水産学会誌 58 (7), 1341-1346, 1992
公益社団法人 日本水産学会
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詳細情報 詳細情報について
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- CRID
- 1390001206413432320
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- NII論文ID
- 130001545673
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- NII書誌ID
- AN00193422
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- ISSN
- 1349998X
- 00215392
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- NDL書誌ID
- 3787975
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- NDL
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