Sodium taurocholate, a novel effective feed-additive for promoting absorption and pigmentation of astaxanthin in blood parrot (Cichlasoma synspilum female x Cichlasoma citrinellum male)
文献类型: 外文期刊
第一作者: Yang, Huiyun
作者: Yang, Huiyun;Mu, Xidong;Luo, Du;Hu, Yinchang;Song, Hongmei;Liu, Chao;Luo, Jianren;Yang, Huiyun
作者机构:
关键词: Blood parrot;Sodium taurocholate;Astaxanthin;Pigmentation;Carotenoid
期刊名称:AQUACULTURE ( 影响因子:4.242; 五年影响因子:4.723 )
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年卷期:
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收录情况: SCI
摘要: This study examined the effect of sodium taurocholate as a feed additive on the pigmentation efficacy of astaxanthin in blood parrot (Cichlasoma synspilum female x Cichlasoma citrinellum male). A total of 396 fish were divided into six treatment groups with three replicates per treatment. The following experimental treatments were used: a basal diet (A) without astaxanthin; one diet (B) with 4 parts per thousand of astaxanthin; one diet (C) with only sodium taurocholate (600 mg/kg); and three diets with 4 parts per thousand astaxanthin plus sodium taurocholate (D, 400 mg/kg; E, 1200 mg/kg; F, 2000 mg/kg). Six fish per group were sampled at 15, 30 and 45 days. At the end of the experiment, the carotenoid content of the skin and the caudal fin in blood parrot fed with a supplementation of sodium taurocholate plus 4 parts per thousand astaxanthin was significantly higher than the corresponding values for the fish fed with 4 parts per thousand astaxanthin only (P<0.05). The results demonstrated that sodium taurocholate is useful for promoting the absorption of astaxanthin and for promoting the pigmentation efficacy of blood parrot. This supplementation has potential applications for studying the color additives and formulated diets of ornamental fish
分类号: S9
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