朱克诚,刘宝锁,伞利择,刘波,张楠,郭华阳,郭梁,江世贵,张殿昌

• 1:中国水产科学研究院南海水产研究所农业农村部南海渔业资源开发利用重点实验室
• 2:南方海洋科学与工程广东省实验室
• 3:广东省海洋生物种业工程技术研究中心
• 4:中国水产科学院南海水产研究所热带水产养殖研究开发中心

摘要(Abstract)：

【目的】评估黃鳍棘鲷(Acanthopagruslatus)增殖放流苗种的遗传质量。【方法】对黃鳍棘鲷放流苗种和自然群体的遗传多样性水平、遗传分化和近交程度等进行对比分析。【结果】放流苗种群体的等位基因数目NA(均值为9.917)大于自然群体NA(均值为8.083);而放流苗种群体的观测杂合度HO(均值为0.646)、期望杂合度HE(均值为0.694)和多态信息含量PIC(均值为0.654)均小于自然群体的HO(均值为0.651)、HE(均值为0.707)和PIC(均值为0.659)。此外,放流苗种群体和自然群体之间的存在一定的遗传分歧,遗传分化指数FST为0.011,但分歧程度不高,且近交程度系数均值F和FIS均大于自然群体的对应系数。【结论】黃鳍棘鲷放流苗种存在一定遗传质量缺陷,不能满足增殖放流要求,可能会自然群体产生负面影响。

关键词(KeyWords)： 黃鳍棘鲷;增殖放流;遗传分歧;遗传质量

Abstract:

Keywords:

基金项目(Foundation): 农业部财政重大专项(NHYYSWZZZYKZX2020);; 南方海洋科学与工程广东省实验室(广州)人才团队引进重大专项(GML2019ZD0605)

作者(Author): 朱克诚,刘宝锁,伞利择,刘波,张楠,郭华阳,郭梁,江世贵,张殿昌

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