文献类型：期刊文献

英文题名：Estimating the heritability for growth-related traits in the pearl oyster, Pinctada fucata martensii (Dunker)

作者：Wang, Hui[1];Du, Xiaodong[1];Lu, Wengang[1];Liu, Zhigang[1]

机构：[1]Guangdong Ocean Univ, Coll Fisheries, Zhanjiang 524025, Peoples R China

年份：2010

卷号：42

期号：1

起止页码：57

外文期刊名：AQUACULTURE RESEARCH

收录：SCI-EXPANDED(收录号：WOS:000285206000008)、、WOS

基金：The authors are indebted to Zhanjiang Silverwave Marine Biotechnology for its assistance provided over the whole experimental period. This research was supported by grants from the state agricultural ministry (No. nyhyzx07-047), the state science and technology ministry (No. 2007BAD29B01) and Guangdong provincial oceanic and fishery administration (No. A200708C01). It also was financed by a grant from Guangdong Ocean University (No. 0412090).

语种：英文

外文关键词：Pinctada martensii (Dunker); growth-related trait; heritability; hierarchical mating design

外文摘要：Twelve paternal half-sib families (or 36 full-sib families) of the pearl oyster, Pinctada fucata martensii (Dunker), were produced according to the requirements of hierarchical genetic mating design. A total of 4320 individuals, aged 15 months, were measured for seven growth-related traits. Predicated upon the additive-dominance genetic analysis model, varying genetic variance components and then heritabilities of the growth-related traits of interest were estimated using analysis of variance. Results showed that seven growth-related traits had larger additive genetic variances (P < 0.05); the dominance genetic variance of shell weight (SW) was smaller (P > 0.05), the dominance genetic variances of other six traits were all larger (P < 0.05). Narrow- and broad-sense heritabilities for the seven traits were, respectively, 0.64 +/- 0.10 and 0.78 +/- 0.12 for shell length, 0.49 +/- 0.06 and 0.63 +/- 0.09 for shell height, 0.38 +/- 0.14 and 0.54 +/- 0.16 for shell breadth, 0.41 +/- 0.17 and 0.56 +/- 0.11 for hinge length, 0.53 +/- 0.11 and 0.68 +/- 0.08 for body weight, 0.35 +/- 0.07 and 0.55 +/- 0.08 for tissue weight and 0.67 +/- 0.10 and 0.75 +/- 0.16 for SW. All heritability estimates were statistically significant (P < 0.05). According to these results, the mass selection procedure is suggested for the breeding of P. martensii.