Feed type regulates the fatty acid profiles of golden pompano Trachinotus ovatus (Linnaeus 1758)
文献类型： 外文期刊
作者： Sun, Xiaoxiao 1 ; Guo, Huayang 1 ; Zhu, Kecheng 1 ; Zhang, Nan 1 ; Yu, Wenbo 1 ; Wu, Na 1 ; Jiang, Shigui 1 ; Zhang, Dian 1 ;
作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Key Lab Fishery Ecol & Environm Guangdong Prov, Minist Agr,Key Lab South China Sea Fishery Resour, Guangzhou, Guangdong, Peoples R China
2.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Div Aquaculture & Genet Breeding, Guangzhou, Guangdong, Peoples R China
3.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai, Peoples R China
4.South China Sea Resource Exploitat & Protect Col, Guangzhou, Guangdong, Peoples R China
关键词： Golden pompano Trachinotus ovatus; feed types; fatty acid profiles; PUFAs
期刊名称：JOURNAL OF APPLIED ANIMAL RESEARCH （ 影响因子：1.63； 五年影响因子：1.727 ）
ISSN： 0971-2119
年卷期： 2016 年 46 卷 1 期
页码：
收录情况： SCI
摘要： The aim of the present study was to evaluate the effect of different feed types on the fatty acid profiles of golden pompano (Trachinotus ovatus). Three feed types (pelleted feed, frozen squid and frozen fish) were assigned to triplicate groups of fish (146.22 +/- 3.26 g) in a total of 9 floating cages (50 fish per cage). Analysis of the fatty acid profiles of the three feed types revealed that frozen squid had the highest levels of long-chain polyunsaturated fatty acids (LC-PUFA), while the pelleted feed and frozen fish had lower levels of LC-PUFA, in particular eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). After three months of being fed a specific feed type, the fatty acid profiles of golden pompano muscle tissues were analysed. The highest levels of LC-PUFA were detected in fish fed with frozen squid. Golden pompano fed with frozen fish had intermediate levels of LC-PUFA content. The results suggest that the fatty acid composition of prey items can significantly affect the muscle fatty acid composition of the consumer. Muscle fatty acid composition could also be used as an indicator of diet type for golden pompano in the aquaculture industry.
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