Parentage assignment in hatchery population of brown sole Pleuronectes herzensteini by microsatellite DNA markers
スポンサーリンク
概要
- 論文の詳細を見る
Five loci (Phz2, Phz6, Phz7, Phz12, and Phz14) of microsatellite DNA markers developed in a previous study for parentage assignment in the hatchery population generated by mating among 61 broodstock fish (35 females and 26 males) in a spawning tank, were selected. After natural spawning in the same tank, larvae collected at three different times were categorized into early phase (EP), middle phase (MP), and late phase (LP) groups. In the parental broodstock, the mean number of alleles per locus was 21.8 and expected heterozygosity (HE) was 0.813. In the progeny, the mean number of alleles per locus decreased to 11.6 (EP), 14.4 (MP), and 6.4 (LP) and HE to 0.796 (EP), 0.833 (MP), and 0.681 (LP). Parental assignment determined eight dams and six sires as major parents for the EP group. In the MP group, 13 dams and ten sires genetically contributed to spawning, but only three dams and two sires were involved in LP group progeny. In the hatchery population produced from a limited number of parental fish such as the LP group, genetic variability was apparently decreased.
- Japanese Society of Fisheries Scienceの論文
- 2007-10-01
著者
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MORISHIMA KAGAYAKI
Graduate School of Fisheries Sciences, Hokkaido University
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ARAI KATSUTOSHI
Graduate School of Fisheries Sciences, Hokkaido University
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Morishima K
Graduate School Of Fisheries Sciences Hokkaido University
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Morishima Kagayaki
Graduate School Of Fisheries Sciences Hokkaido University
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SATOH NOBUKAZU
Hokkaido Institute of Mariculture
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Arai Katsutoshi
Graduate School Of Fisheries Sciences Hokkaido University
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Saito Setsuo
Hokkaido Institute Of Mariculture
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KIM SANG-GYU
Graduate School of Fisheries Sciences, Hokkaido University
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FUJIOKA TAKASHI
Hokkaido Institute of Mariculture
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Kim Sang-gyu
Graduate School Of Fisheries Sciences Hokkaido University
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Arai Katsutoshi
Graduate School Of Biosphere Sciences Hiroshima University
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Satoh Nobukazu
Tokyo Univ. Marine Sci. And Technol. Tokyo Jpn
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