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期刊名称: Acta Ecologica Sinica
Volume:37    Issue:2        Page:75-78
ISSN:1872-2032

Effects of shell morphological traits on the weight trait of the orange strain of the Manila clam期刊论文

作者: Huo Zhong-ming Wu Yu-an Gao Zhi-ying Chu Guan-nan Yan Xi-wu
DOI:10.1016/j.chnaes.2016.12.007

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页码: 75-78
出版者: Elsevier B.V
期刊名称: Acta Ecologica Sinica
ISSN: 1872-2032
卷期: Volume:37    Issue:2
摘要: A new strain of Manila clam with orange shell color was produced after selection within a full-sib family for two generations. In the present study, the shell length, height, and width, and the live body weight of the orange strain were measured, and their correlation coefficients were calculated. The shell morphological traits were used as independent variables, and the live body weight was used as the dependent variable for calculating the path coefficients, correlation index, and determination coefficients. The results showed that the correlation coefficients between each shell morphological trait and the live body weight were all highly significant ( < 0.01). The correlation indices ( ) of morphological traits against the live body weight of clams were larger than 0.85, indicating that the morphology traits were the main factors affecting the body weight. Multiple regression equations were obtained to estimate shell length (cm), shell height (cm), and shell width (cm) against live body weight (g): = − 2.62 + 0.34 + 0.145 , ( < 0.05, < 0.05). The results suggest that the shell length could be used as the main trait for selective breeding and could indirectly make a large improvement in the weight trait.
相关主题: Manila clam, Orange strain, Morphology, Correlation coefficients, Weight,

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