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| Content Provider | Springer Nature Link |
|---|---|
| Author | Luo, Shibin Tian, Xiaofei Zhao, Chong Zhou, Haisen Zhang, Weijie Feng, Wenping Chang, Yaqing |
| Copyright Year | 2014 |
| Abstract | Prior knowledge of the correlations among commercially important traits in Glyptocidaris crenularis can be used to guide development of breeding and aquaculture programs for this species. We evaluated the phenotypic correlations between somatic and gonadal traits in G. crenularis during two sample periods (October 2010 and April 2011). The coefficients of variation (CV%) for body weight (BW), redness (a*), yellowness (b*), gonad wet weight (GW), and gonad index (GI) were >20% in both periods, while those of other traits were very low. GW was significantly correlated with somatic traits (diameter, height, and body weight) in both periods, although the correlation coefficients ranged from 0.473 to 0.636 (P <0.01). Gonad moisture content (GC), a*, and lightness (L*) were not significantly correlated with somatic traits (P >0.05). The color trait b* was negatively correlated with somatic traits (test diameter, test height, and body weight) during the period when the gonads were well developed (April 2011, P <0.05). We observed little difference in the nature of the phenotypic correlations between the two sample periods. The high variation in the somatic and gonad weight traits in G. crenularis suggests there is considerable potential for selective breeding. However, our results suggest that gonad quality traits cannot be selected indirectly by selecting for body weight. Our study provides an insight into the method for improving the breeding and aquaculture of G. crenulari. |
| Starting Page | 344 |
| Ending Page | 348 |
| Page Count | 5 |
| File Format | |
| ISSN | 02544059 |
| Journal | Chinese Journal of Oceanology and Limnology |
| Volume Number | 32 |
| Issue Number | 2 |
| e-ISSN | 19935005 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2014-03-06 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | Subscribed |
| Subject Keyword | Glyptocidaris crenularis gonad phenotypic correlations indirect selection Oceanography |
| Content Type | Text |
| Resource Type | Article |
| Subject | Water Science and Technology Oceanography |
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