Reduced Variation of Physiological Traits in Ayu Clones,Plecoglossus altivelis
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- del Valle Gabriela
- Department of Cultural Fisheries, Faculty of Agriculture, Kochi University
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- Taniguchi Nobuhiko
- Department of Cultural Fisheries, Faculty of Agriculture, Kochi University
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- Tsujimura Akio
- Wakayama Prefecture Freshwater Fisheries Center
書誌事項
- タイトル別名
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- Reduced Variation of Physiological Traits in Ayu Clones, <i>Plecoglossus altivelis</i>
- Reduced Variation of Physiological Trai
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抄録
Two types of clones of the ayu Plecoglossus altivelis heterozygous and homozygous clones, were produced by crossing second generation gynogenetic diploids with sex reversed clones of a different or the same line, respectively. Samples of these fish, together with normal control diploids, were used in this study to monitor the expected reduction of the genetic variance in the clonal lines. The morphological traits measured (body weight, fork lengtht and gonad weight) showed a significant reduction of the coefficient of variation (C. V.) of 44.8% on average (heterozygous clones 56.17%, homozygous clones 33.4%). Furthermore, from all the physiological traits evaluated, hematocrit, plasma glucose, and mean corpuscular hemoglobin concentration (MCHC), also showed a significant variation reduction of 42.33% (average) for the heterozygous clones and 13.4% (average) for the homozygous clones. An estimation of the heritability of both kind of traits is proposed, based on a substantial elimination of the genetic variation in the clonal lines.
収録刊行物
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- Ｆｉｓｈｅｒｉｅｓ ｓｃｉｅｎｃｅ
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Ｆｉｓｈｅｒｉｅｓ ｓｃｉｅｎｃｅ 60 (5), 523-526, 1994
公益社団法人 日本水産学会
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詳細情報 詳細情報について
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- CRID
- 1390001204428402048
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- NII論文ID
- 130003741925
- 40005348361
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- NII書誌ID
- AA10993718
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- NDL書誌ID
- 3644328
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- ISSN
- 09199268
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可