Daily Population Growth Rate of Six <I>Brachionus plicatilis</I> sp. Complex Strains under Different Water Temperatures and Salinities
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- Koiso Masahiko
- Yaeyama Laboratory, Seikai National Fisheries Research Institute, Fisheries Research Agency
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- Tezuka Nobuhiro
- Notojima Laboratory, Japan Sea National Fisheries Research Institute, Fisheries Research Agency
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- Sakae Kennji
- Notojima Laboratory, Japan Sea National Fisheries Research Institute, Fisheries Research Agency
Bibliographic Information
- Other Title
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- 国内の種苗生産機関で利用されている主要なシオミズツボワムシ複合種6株の異なる水温と塩分での日間増殖率
- コクナイ ノ シュビョウ セイサン キカン デ リヨウ サレテ イル シュヨウ ナ シオミズツボワムシ フクゴウシュ 6カブ ノ コトナル スイオン ト エンブン デ ノ ヒカン ゾウショクリツ
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Abstract
To establish a stable and effective production of live-food, the effect of temperature and salinity on the daily population growth rates among 6 strains of the rotifer Brachionus plicatilis sp. complex were investigated. The L-type showed positive growth at 15°C, while the SS- and S-types did not. The daily population growth rates increased at higher temperatures and lower salinities among all the 6 strains examined in this study. The highest growth rate of over 300% was observed when the SS- and S-types were cultured under the condition of 20 psu and 30°C, but that of the L-type was below 200%. It was found that high temperature and low salinity conditions were more effective to enhance the population growth of each of the L-type and SS- and S-types, respectively. The findings of this study will be important to determine the specific culture conditions for various strains of rotifer used in the Japanese hatcheries.
Journal
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- Aquaculture Science
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Aquaculture Science 61 (1), 001-007, 2013
Japanese Society for Aquaculture Science
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Details 詳細情報について
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- CRID
- 1390001204720661248
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- NII Article ID
- 130005062500
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- NII Book ID
- AN00124667
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- ISSN
- 21850194
- 03714217
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- NDL BIB ID
- 024430533
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- Text Lang
- en
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- Data Source
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- JaLC
- IRDB
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed