養殖アユの血液性状，体成分に及ぼすクロレラエキス添加飼料の効果
書誌事項
- タイトル別名
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- Effect of <I>Chlorella</I>-extract supplement on blood properties and body composition of ayu
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説明
The determination of physiological merit of supplemental Chlorella-extract in ayu, Plecoglossus altivelis, was followed by the previous results that it endowed resistant power against disease.<BR>Ayu of body weight 46 g was fed on the composed feed with 4% of feed oil (control group) . Experimental groups, A and B were respectively fed 1 % and 2% of the Chlorella-extract to the above feed. The Chlorella-extract was prepared from Chlorella vulgaris E-25 with hot water for 1 hr, and 60% of sucrose were added as an antiseptic. After 42 days feeding blood properties and body composition were analysed.<BR>1) The extract-fed groups showed low fatness and gonadosomatic index, and high hepatosomatic index. The effect of retardation of sexual maturation was suggested by the Chlorella-extract feeding.<BR>2) The extract effectively deprerssed the lipid contents of the serum, dorsal muscle, and viscera.<BR>3) In order to compare the response to acute handling stress, fish were exposed to air (air-dipping) for 2 min before being returned to O2-saturated water. Time course of recovery was serologically monitored for a period of 20 min post-air-dipping. The extract-fed groups trended to be tolerant to the air-dipping, comparing with control group.<BR>4) The physiological effect of the Chlorella-extract was most probably associated with lipid metabolism.
収録刊行物
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- 水産増殖
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水産増殖 30 (4), 192-201, 1983
日本水産増殖学会
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詳細情報 詳細情報について
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- CRID
- 1390282679692375424
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- NII論文ID
- 130003714402
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- NII書誌ID
- AN00124667
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- ISSN
- 21850194
- 03714217
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
