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＜departmental bulletin paper＞
Effect of Dietary Lipid Level on the Growth, Feed Efficiency and Body Composition of Young Puffer Fish, Takifugu rubripes

Creator
Creator Name
韓, 慶男
Han, Kyung-nam
Affiliation
Affiliation Name
九州大学農学部附属水産実験所
Fishery Research Laboratory, Faculty of Agriculture, Kyushu University
Creator Name
古市, 政幸
Furuichi, Masayuki
Affiliation
Affiliation Name
九州大学農学部附属水産実験所
Fishery Research Laboratory, Faculty of Agriculture, Kyushu University
Language
Japanese
Publisher
九州大學農學部
Faculty of Agriculture, Kyushu University
Date
1995-11
Source Title
Science bulletin of the Faculty of Agriculture, Kyushu University
Vol
50
Issue
1/2
First Page
25
Last Page
29
Publication Type
Version of Record
Access Rights
open access
JaLC DOI
https://doi.org/10.15017/23555
Related DOI
九州大學農學部學藝雜誌 || 50(1/2) || p25-29
Science bulletin of the Faculty of Agriculture, Kyushu University || 50(1/2) || p25-29
http://www.agr.kyushu-u.ac.jp/
Related URI
九州大學農學部學藝雜誌 || 50(1/2) || p25-29
Science bulletin of the Faculty of Agriculture, Kyushu University || 50(1/2) || p25-29
http://www.agr.kyushu-u.ac.jp/
Relation
九州大學農學部學藝雜誌 || 50(1/2) || p25-29
Science bulletin of the Faculty of Agriculture, Kyushu University || 50(1/2) || p25-29
http://www.agr.kyushu-u.ac.jp/

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Details

Record ID
23555
Peer-Reviewed
Unrefereed
Subject Terms
トラフグ
飼料
脂質
成長
飼料効率
体成分
Takifugu rubripes
feed
lipid
growth
feed efficiency
body composition
ISSN
0368-6264
NCID
AN0005519X
Notes
The effects of dietary lipid level on growth, efficiency of feed utilization and body composition were studied for young puffer fish of average body weight 2.7g. The fish were fed diets with four dietary lipid levels ranging from 6 to 22% as a source of energy. The growth performance was examined in terms of weight gain, feed efficiency, protein efficiency ratio, body composition and so on, for 8-week feeding trials at 22.5-28.0'C. The average weight gain, feed efficiency and protein efficiency ratio tended to increase with increasing dietary lipid level, and the highest value was obtained in fish fed the diet containing lipid level of 22%. Proximate analysis of body composition showed that dorsal muscle was not affected by dietary lipid level. However, moisture and crude protein in the liver were negatively correlated and crude lipid was positively correlated to dietary lipid level. It could be concluded from this study that increased dietary lipid was effectively utilized by young puffer fish.
脂質含量の異なる半精製試験飼料を用いて, 飼料中の脂質含量がトラフグの成長, 飼料効率, タンパク効率および体成分等に与える影響について検討し, つぎの結果を得た. 1.成長, 増重率, 飼料効率ともに高脂質含量の試験区ほど優れた結呆を示し, 飼料中の脂質含量の増加に伴い成長, 飼料効率などが改善されることが明らかになった. 2. タンパク効率およびタンパク質蓄積率は飼料の脂質含量の増加に伴って上昇し, 高脂質飼料条件下では単位飼料タンパク質当りの増重が低脂質飼料に勝り, 飼料タンパク質が効率的に体タンパク質へ転換されていると考えられた. 3.魚体の一般分析の結果は, 飼料の脂質含量の増加は筋肉の成分組成にはそれほど大きな影響を及ぼさなかったが, 比肝重値が大きくなり, 肝臓における粗脂質量の増加と水分および粗タンパク質量の減少が認められ, 過剰のエネルギーが脂質として内蔵に蓄積されている事を示唆した.
Created Date 2012.07.28
Modified Date 2022.11.11

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