http://scholars.ntou.edu.tw/handle/123456789/14464
標題: | Preliminary results of providing various combinations of live foods to grouper (Epinephelus coioides) larvae | 作者: | Huei Meei Su Mao Sen Su I-Chiu Liao |
關鍵字: | grouper larvae;live foods;growth;fatty acid | 公開日期: | 十二月-1997 | 出版社: | Hydrobiologia | 卷: | 358 | 起(迄)頁: | pp.301-304 | 摘要: | Fertilized oyster eggs, S-rotifer (Brachionusrotundiformis) and SS-rotifer (Brachionus sp.),were tested either solely or in combination fortheir suitability as feed for early stage grouper (Epinephelus coioides) larvae. Sizes ofS-rotifers ranged between 143-224 µm lorica lengthwith mean 182±21µm, and SS-rotifersbetween 122-176µmlorica length with mean 154±13µm. Theresults indicated that both fertilized oyster eggs andSS-rotifers were suitable as feed at F1 (first feedingday). However, poor growth was recorded when providing oyster eggs solely for the periodsF1-F3. Although growth of larvae at F6 had nodifference between the sole SS-rotifers and the oystereggs additionally provided for F1-F3, better survivalof larvae at F15 was obtained when providingcombinations of SS-rotifers with oyster eggs for F1-F3.Besides, better growth and survival of larvae at F15was found when providing S-rotifers enriched withKirin yeast for F7-F15. The highest survival andfastest growth of larvae at F15 was found whenproviding oyster eggs for F1-F3, SS-rotifers forF1-F6, S-rotifers for F7-F15, both rotifers enrichedwith Kirin yeast, and Isochrysis for F1-F15.Total fatty acid (TFA), EPA, DHA content, and DHA/EPA(D/E) ratio of larvae changed with their sizes andcorresponded to that of their feeds. The F15 larvaehaving a higher TFA grew faster, having higher DHA orEPA survived better. |
URI: | http://ntour.ntou.edu.tw:8080/ir/handle/987654321/44921 http://scholars.ntou.edu.tw/handle/123456789/14464 |
DOI: | 10.1023/A:1003153407419 |
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