文献类型：期刊文献

中文题名：马氏珠母贝体尺性状对珍珠层和体腔容积的影响

英文题名：Effects of Body Size on Nacre Weight and Cavity Volume of Pearl Oyster Pinctada fucata martensii

作者：林雨静[1];邹鹤麒[1];杨创业[1];廖永山[2];王庆恒[2];邓岳文[2]

机构：[1]广东海洋大学水产学院,广东湛江524000;[2]广东海洋大学珍珠研究所,广东湛江524000

年份：2025

卷号：44

期号：5

起止页码：800

中文期刊名：水产科学

外文期刊名：Fisheries Science

收录：北大核心2023、、北大核心

基金：广东省科技计划项目(2024B1212050006);广东海洋大学学生创新团队项目(CXTD2025001);广东省科技创新战略专项资金(大学生科技创新培育)资助项目(pdjh2024a191).

语种：中文

中文关键词：马氏珠母贝;体尺性状;贝壳珍珠层质量;壳体腔容积;通径分析

外文关键词：Pinctada fucata martensii;body size;shell nacre weight;shell cavity volume;path analysis

中文摘要：为探明马氏珠母贝体尺性状对贝壳珍珠层质量和壳体腔容积的影响,2023年7月,随机选取广东流沙湾养殖群体的马氏珠母贝220枚,分别测量其壳长(L)、壳宽(b)、壳高(h)、贝壳珍珠层质量和壳体腔容积,采用相关性分析、多元回归分析和通径分析等方法,探讨马氏珠母贝体尺性状(壳长、壳宽和壳高)对贝壳珍珠层质量和壳体腔容积的影响。试验结果显示:马氏珠母贝体尺性状的变异系数为8.74%~12.29%,贝壳珍珠层质量和壳体腔容积的变异系数分别为25.18%和32.73%;各数量性状均表现出极显著相关(P<0.01);通径分析结果与决定程度分析结果相符合,对贝壳珍珠层质量和壳体腔容积决定程度最大的体尺性状均为壳宽,决定系数分别为0.321和0.195;体尺性状对贝壳珍珠层质量(y_(1))的最优回归方程为y_(1)=-8.361+0.116L+0.413b(r^(2)=0.684),对壳体腔容积(y_(2))的最优回归方程为y_(2)=-15.462+0.210L+0.608b+0.113h(r^(2)=0.704)。试验结果为马氏珠母贝优良品种选育提供了理论参考。

外文摘要：In order to investigate the effect of body size traits on shell nacre weight and cavity volume of pearl oyster Pinctada fucata martensii,shell length(L),shell width(b),shell height(h),shell nacre weight and shell cavity volume were measured in 220 individuals of pearl oyster cultured and randomly sampled from Liusha Bay aquaculture area in Guangdong province,and the effects of the body size traits(shell length,shell width,and shell height)on shell nacre weight and shell cavity volume of pearl oyster were investigated by correlation analysis,multiple regression analysis,and path analysis.The results showed that the pearl oyster had coefficient of variation of the body size traits from 8.74%to 12.29%,with the variation coefficients of 25.18%in shell nacre weight and 32.73%in shell cavity volume.The correlation coefficients of all the traits were found to be very significant(P<0.01).The results of path analysis were showed to be consistent with the analysis of determination degree,with the body size trait with the highest determination degree(determination coefficients of 0.321)for shell nacre weight and shell cavity volume(0.195)for shell width.The optimal regression equation was expressed as y_(1)=-8.361+0.116 L+0.413 b(r^(2)=0.684)for body size traits on shell nacre weight(y_(1)),and y_(2)=-15.462+0.210 L+0.608 b+0.113 h(r^(2)=0.704)for shell cavity volume(y_(2)).The findings provide theoretical reference with the selective breeding of superior varieties of pearl oyster P.fucata martensii.