朱庆国,林建斌,黄种持,陈度煌,梁萍,秦志清,林克冰

• 1:福建省淡水水产研究所
• 2:福建省水产研究所

摘要(Abstract)：

以精制鱼油和豆油作为脂肪源,配制质量分数0.48%、0.97%、1.50%和1.97%等4种不同水平n-3高度不饱和脂肪酸(n-3 HUFA)的饲料,并饲喂斜带石斑鱼幼鱼50 d,研究不同水平n-3 HUFA对斜带石斑鱼(Epinephluscoioides)幼鱼生长及肌肉脂肪酸组成的影响。结果表明:饲料中n-3 HUFA水平对实验鱼增重率、饲料系数、蛋白质效率都有显著影响(p<0.05)。以增重率、饲料系数、蛋白质效率为参考指标,通过回归分析,斜带石斑鱼幼鱼对饲料中n-3 HUFA的适宜需要量(质量分数)为1.27%~1.42%;各实验组的鱼体肥满度不受饲料中n-3 HUFA水平的影响,保持在1.4左右;内脏比与肝体比随饲料中n-3 HUFA水平升高而呈现降低趋势;各实验组鱼体肌肉常规营养成分不受饲料中n-3 HUFA水平的影响,肌肉中的n-3 HUFA随饲料n-3 HUFA水平增加而增加。

关键词(KeyWords)： 斜带石斑鱼;n-3HUFA;生长;脂肪酸组成

Abstract:

Keywords:

基金项目(Foundation): 福建省种业创新和产业化工程项目资金资助;; 福建省科技厅公益类科研专项(2009R10012)

作者(Author): 朱庆国,林建斌,黄种持,陈度煌,梁萍,秦志清,林克冰

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