Long-term alternate feeding between fish oil- and terrestrially sourced oil-based diets mitigated the adverse effects of terrestrially sourced oils on turbot fillet quality
文献类型： 外文期刊
作者： Xu, Houguo 1 ; Bi, Qingzhu 1 ; Liao, Zhangbin 1 ; Sun, Bo 1 ; Jia, Linlin 1 ; Wei, Yuliang 1 ; Liang, Mengqing 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, 106 Nanjing Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Fisheries Sci & Food Prod Proc, 1 Wenhai Rd, Qingdao 266237, Peoples R China
3.Shanghai Ocean Univ, Coll Fisheries & Life Sci, 999 Huchenghuan Rd, Shanghai 201306, Peoples R China
4.Ocean Univ China, Fisheries Coll, 5 Yushan Rd, Qingdao 266003, Peoples R China
关键词： Scophthalmus maximus; Fish oil replacement; Long-chain polyunsaturated fatty acid; Muscle texture
期刊名称：AQUACULTURE （ 影响因子：4.242； 五年影响因子：4.723 ）
ISSN： 0044-8486
年卷期： 2021 年 531 卷
页码：
收录情况： SCI
摘要： Use of terrestrially sourced oil (TSO) in fish diets easily causes adverse effects on fillet quality. The present study, with turbot, was aimed at evaluating the efficacy of alternate feeding between fish oil (FO)and TSO-based diets in minimizing these adverse effects. The control group were fed the FO-based diet continuously for 13 weeks, meanwhile other groups were subjected to weekly alternation between the FO-based diet and diets based on TSO, namely, linseed oil, soybean oil, rapeseed oil, palm oil, and beef tallow, respectively. The feeding trial was conducted in a flow-through seawater system. Each group had triplicate tanks, and each tank was stocked with 35 fish. Samples were collected at the end of Week 9 and 13. At Week 9, no significant difference among groups was observed in growth performance and muscle proximate composition, texture, and odour-active compound profile; however significant differences were observed in muscle content of long-chain polyunsaturated fatty acids, serum malondialdehyde content, and somatic indices. These differences disappeared at Week 13. In conclusion, long-term alternation between FOand TSO-based diets could mitigate the adverse effects of TSO on farmed turbot.
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