李阳春,王昭萍,刘剑,马培振

• 1:海水养殖教育部重点实验室(中国海洋大学)
• 2:烟台海益苗业有限公司

摘要(Abstract)：

为提供一种更科学、全面的三倍体诱导盐度综合评价方法,本研究采用了两种新的统计学方法对低盐诱导太平洋牡蛎(Crassostrea gigas)幼虫三倍体的效果进行了评估。利用概率加权回归拟合构建了低盐诱导太平洋牡蛎三倍体过程中卵裂率、孵化率与盐度的Probit回归模型,得到了不同诱导盐度条件下卵裂率及孵化率的估计值,其中50%卵裂率及50%孵化率的诱导盐度估计值分别为5.648和8.644,对该模型的可信性进行了验证。应用主成分分析法得到了两个可以代表卵裂率、孵化率和三倍体率的主成分和不同诱导盐度的综合评价指数,其中盐度8得分最高,为0.67,其次为盐度10,得分为0.54。研究结果表明,要达到50%孵化率,诱导盐度需大于8.644;盐度8和10均为合适的诱导盐度,其中盐度8诱导率更高、存活率较低,盐度10存活率更高、诱导率稍低。

关键词(KeyWords)： 太平洋牡蛎;低盐;三倍体诱导;概率加权回归;主成分分析

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(31172403)资助~~

作者(Author): 李阳春,王昭萍,刘剑,马培振

DOI: 10.16441/j.cnki.hdxb.20180398

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