Evaluation of a new select-breeding carp variety with high fillet quality

文献类型： 外文期刊

第一作者： Li, Chitao

作者： Li, Chitao;Shang, Mei;Hu, Xuesong;Ge, Yanlong;Jia, Zhiying;Wang, Shihu;Shi, Lianyu

作者机构：

关键词： carp; fillet nutrient contents; fillet texture; intramuscular fat; selective breeding

期刊名称：AQUACULTURE RESEARCH （ 影响因子：2.082； 五年影响因子：2.415 ）

ISSN： 1355-557X

年卷期： 2018 年 49 卷 8 期

页码：

收录情况： SCI

摘要： The morphological characters, fillet texture, and nutrient contents of the F3 generation of Barbless carp (Cyprinus pellegrini,BC) female x Heilongjiang carp (Cyprinus carpio,HLC, geographical population of common carp) male hybrid, which were named as High-quality carp F3 (HQC F3), were studied. The main morphological characteristics of HQC F3 were between BC and HLC, but closer to the BC. The fillet amino acids and crude protein showed significant differences between HQC F3 and BC. But, only fillet crude fat showed significant differences between HQC F3 and HLC. HQC F3's fillet had significantly different with BC's on the contents of myristic acid, linolenic acid, and stearic acid, and with HLC's on the contents of linoleic acid, linolenic acid, EPA, palm oleic acid, and 20 carbon-dilute acid. HQC F3 broodstocks were selected with high intramuscular fat and effective population size. HQC F4 were bred and showed improved intramuscular fat content compared to F3. The intramuscular fat of 2-year-old HLC F4 was significantly (p<0.05) correlated with body weight/standard length. Intramuscular fat is a stable trait that can be continuously passed on to the next generation. This study will lay a foundation for further carp selective breeding study to improve fillet quality.

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