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蓝狐母系起源及谱系重建
Authors
3
4
聂子涵 1 武晓宇 1 孙锴 1 樊攀 1 魏来 2 刘志平 1 李波 1
Publication date
1 January 2021
Publisher
Editorial Department of Chinese Journal of Wildlife
Abstract
蓝狐是圈养北极狐(Vulpex lagopus)的主要品种。因缺少科学有效的遗传管理,引进种兽后代逐年退化,造成反复引种的依赖性局面。为保持蓝狐种群的优良性状,开展科学选种选育、降低近交的概率,分析122只引进芬兰蓝狐的线粒体DNA DLoop区294 bp序列,结合已发表的野生、圈养北极狐种群单倍型数据进行母系追踪,应用11个微卫星位点的复合扩增对其中53只进行单亲亲权鉴定。结果表明:蓝狐种群仅有1种单倍型,血统单一,与瑞典养殖种群、西伯利亚野生种群关系密切。11个微卫星位点累计排除概率达到09999,成功为11只仔狐找到生物学父亲。同时发现,母狐经2次输精后成功受孕的概率较高(64%),以及同窝仔狐中存在多重父权的现象。因此,线粒体和微卫星等分子手段的引入,可以为蓝狐的遗传管理提供科学有效的依据
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Last time updated on 03/04/2025