安徽农业大学学报2011，Vol.38Issue(3)：352-357,6.DOI:CNKI:34-1162/S.20110419.0923.013
池养克氏原螯虾形态性状对体质量的影响
Effects of morphometric traits on body weight of Procambarus clarkii
摘要
Abstract
In order to analyze the effects of morphometric traits on the body weight of Procambarus clarkii,we measured body weight (Y) and 11 morphometric traits including the total length (X1), carapace length (X2),caparace width (X3), caparace height (X4), the first to sixth abdominal segment length (X5-X10), and telson length (X11) of seventy Procambarus clarkii cultured in the pond. The correlation coefficients, path coefficients and determination coefficients between the morphometric traits and the body weight were calculated by correlation analysis and path analysis. The result showed that the correlation coefficients of each morphometric trait to the body weight were all significant (P＜0.01); the path coefficients of caparace width and telson length to body weight all also significant (P＜0.01); caparace width was the most important trait which affected the body weight of Procambarus clarkii. Though the path coefficient of caparace length did not reach significant level, it was very bigger than the path coefficients of other traits to body weight except for caparace width and telson length, and it was a special morphometric trait worth being concerned in selective breeding of Procambarus clarkii. Finally, the morphometric traits with significant levels (P＜0.05) were used to establish the multiple regression equation, which was Y=- 16.841 5+8.9969 X3+13.5108 X11.关键词
克氏原螯虾/形态性状/相关分析/通径分析Key words
Procambarus clarkii/ morphometric trait/ correlation analysis/ path analysis分类
农业科技引用本文复制引用
何吉祥,丁凤琴,宋光同,汪翔,陈静..池养克氏原螯虾形态性状对体质量的影响[J].安徽农业大学学报,2011,38(3):352-357,6.基金项目
安徽省科技攻关重点项目(08010302071)资助. （08010302071）
