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Larval rearing without aeration: a case study of the seven-band grouper Epinephelus septemfasciatus using a wave maker


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Title: Larval rearing without aeration: a case study of the seven-band grouper Epinephelus septemfasciatus using a wave maker
Authors: Sakakura, Yoshitaka / Shiotani, Shigeaki / Shiozaki, Masashi / Hagiwara, Atsushi
Issue Date: Sep-2007
Publisher: 日本水産学会 / The Japanese Society of Fisheries Science
Citation: Fisheries Science, 73(5), pp.1199-1201: 2007
Abstract: マハタ種苗生産の初期減耗を軽減する飼育技法開発の基礎知見を得るために,通気による従来の飼育方法(容量1 kL,φ130 ㎝,水深70 ㎝:通気量200 mL/分)と,直径5 ㎝の球を水面で上下させて(1 Hz)水面に波を発生させる造波装置を用いた飼育方法で仔魚の生残を比較した。21 日間の飼育実験での造波装置の生残率は55.5%(n=1)で,対照区のそれ(11.6±14.3%, n=3)よりも顕著に高い値を示した。造波装置による水槽垂直断面の流れを計測したところ,波が水深とともに減衰していくのが確かめられた。
Keywords: flow field / larva / larviculture / survival / water surface tension-related death
URI: http://hdl.handle.net/10069/37769
ISSN: 09199268
DOI: 10.1111/j.1444-2906.2007.01453.x
Rights: © Japanese Society of Fisheries Science 2007 / The final publication is available at Springer via http://dx.doi.org/10.1111/j.1444-2906.2007.01453.x
Type: Journal Article
Text Version: author
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/37769

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