强俊,李瑞伟,董晓慧,王辉

• 1:广东海洋大学水产学院
• 2:广东茂名三高罗非鱼良种基地

摘要(Abstract)：

研究了配合饵料、轮虫、蛋黄、轮虫+人工配合饵料(3～12日龄投喂轮虫,13日龄起投喂配合饵料)等4种开口饵料对奥尼罗非鱼仔鱼生长、发育和存活影响。结果表明,1)投喂不同饵料对奥尼罗非鱼仔鱼生长具有显著影响(P<0.05),轮虫+配合饵料组生长较快,绝对增重率和特定增重率分别为0.011g/d和17.18%d-1;蛋黄组生长最慢,绝对增重率和特定增重率与其他各组差异显著(P<0.05)。2)轮虫+配合饵料与轮虫组的仔鱼成活率较高,分别为90.3%和89.7%,2组差异不显著(P>0.05),且仔鱼发育较好,大部分个体进入稚鱼阶段;蛋黄组成活率最低,只有40.7%,个体发育较为缓慢,与其他各组差异显著(P<0.05)。可见,投喂鲜活的天然饵料(轮虫)+配合饵料是罗非鱼苗种培育的最佳开口饵料。

关键词(KeyWords)： 罗非鱼;仔鱼;开口饵料;生长;发育;存活率

Abstract:

Keywords:

基金项目(Foundation): 广东省科技计划项目(2006B202230017)

作者(Author): 强俊,李瑞伟,董晓慧,王辉

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