不同脂肪源饲料对中华绒螯蟹幼蟹生长、消化酶活力和脂肪酸组成的影响

来源 :第十届世界华人虾蟹养殖研讨会暨2016年中国河蟹产业发展高峰论坛 | 被引量 : 0次 | 上传用户:magiciany
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  选用初始体重为(2.15±0.10)g中华绒螯蟹(Eriocheir sinensis)雄性幼蟹,随机分为5组(每组12只幼蟹),饲喂100%鱼油组、100%豆油组、100%亚麻油组、50%鱼油-50%豆油组、50%鱼油-50%亚麻油组(各组分别用F1,F2,F3,F4,F5表示)不同脂肪源配制的五种等氮等能饲料.实验蟹单个体养殖,实验周期为112d.结果 表明,F5组体重、壳长、壳宽、增重率和特定生长率都显著高于其它饲料组(P<0.05),各组的蜕壳间隔和肝胰腺指数没有显著差异(P>0.05).
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