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Genetic differentiations between randomly and selectively bred pig populations in Yunnan, China

QU Kai-Xing WU Gui-Sheng GOU Xiao YAN Da-Wei LIAN Lin-Sheng Mumtaz Baig ZH

QU Kai-Xing, WU Gui-Sheng, GOU Xiao, YAN Da-Wei, LIAN Lin-Sheng, Mumtaz Baig, ZH. Genetic differentiations between randomly and selectively bred pig populations in Yunnan, China. Zoological Research, 2011, 32(3): 255-261. doi: 10.3724/SP.J.1141.2011.03255
Citation: QU Kai-Xing, WU Gui-Sheng, GOU Xiao, YAN Da-Wei, LIAN Lin-Sheng, Mumtaz Baig, ZH. Genetic differentiations between randomly and selectively bred pig populations in Yunnan, China. Zoological Research, 2011, 32(3): 255-261. doi: 10.3724/SP.J.1141.2011.03255

云南地方猪种随机群体与选育群的遗传差异(英文)

doi: 10.3724/SP.J.1141.2011.03255
详细信息
    作者简介:

    亐开兴(1975-), 男, 云南祥云人, 助理研究员, 专业方向:动物遗传育种与繁殖。E-mail: kaixqu@yahoo.com.cn

    通讯作者:

    张亚平

  • 中图分类号: S828.8; Q347

Genetic differentiations between randomly and selectively bred pig populations in Yunnan, China

Funds: This work was supported by research grants of the National Basic Research Program of China (2007CB815700; 2006CB102100), Bureau of Science and Technology of Yunnan Province, and Natural Science Foundation of China (30621092).
More Information
    Author Bio:

    QU Kai-Xing(1975-), E-mail: kaixqu@yahoo.com.cn

    Corresponding author: ZHANG Ya-Ping
  • 摘要: 为估计随机群体与选育群间的遗传差异, 测定了云南地方猪种102个个体438 bp的线粒体DNA D-loop片段, 涉及4个随机群体、1个保种群和1个核心群。检测的16个多态位点界定了20个单倍型, 撒坝猪核心群和版纳微型猪保种群的单倍型数量仅为3个和1个, 而4个随机群体的单倍型数量都在6个以上, 4个随机群体的单倍型多态度极显著高于这两个选育群(h=0.732对0.425和0.000, exact test, P≤0.0036)。结果发现, 选育会导致遗传多样性过低, 尽管在随机群体中有较高的遗传多样性, 基于此, 及早干预和合理的育种计划将会有效地阻止核心群和选育群的遗传多样性下降。否则, 选育甚至会在短短几年内使遗传多样性程度急剧下降, 表明育种、保种与遗传多样性保存之间存在着尖锐冲突。该文还讨论了几个群体的遗传关系。
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出版历程
  • 收稿日期:  2010-07-13
  • 修回日期:  2011-02-16
  • 刊出日期:  2011-06-22

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