不同开口饵料对虹鳟生长和存活率的影响

江仁党

江仁党. 不同开口饵料对虹鳟生长和存活率的影响[J]. 南方水产科学, 2007, 3(3): 53-56.
引用本文: 江仁党. 不同开口饵料对虹鳟生长和存活率的影响[J]. 南方水产科学, 2007, 3(3): 53-56.
JIANG Rendang. Effects of different initial feeds on growth and survival rate of larval Oncorhynchus mykiss[J]. South China Fisheries Science, 2007, 3(3): 53-56.
Citation: JIANG Rendang. Effects of different initial feeds on growth and survival rate of larval Oncorhynchus mykiss[J]. South China Fisheries Science, 2007, 3(3): 53-56.

不同开口饵料对虹鳟生长和存活率的影响

详细信息
    作者简介:

    江仁党(1967-), 男, 高级工程师, 从事鱼类人工繁育和渔业增养殖工作。E-mail: jyh99@126.com

  • 中图分类号: S963

Effects of different initial feeds on growth and survival rate of larval Oncorhynchus mykiss

  • 摘要:

    研究了水丝蚓(A)、专用料(B)、蛋黄+基础料(C)、基础料(D)4种不同开口饵料对虹鳟鱼苗生长和存活率的影响,实验时间为13 d。实验表明,不同饵料影响虹鳟鱼苗的生长,试验组A组>B组或C组>D组,B组与C组间对全长的变化没有显著差异(P>0.05);其他各组间呈现显著差异(P<0.05)。投喂水丝蚓的A组存活率最高(89.6%),投喂蛋黄+基础料的C组成活率最低(74.5%)。

    Abstract:

    A 13-day rearing experiment was conducted in this study. The different initial feeds on growth in total length and survival rate for larval Oncorhynchus mykiss were Limnodrilu (A), a special diet for larval O.mykiss (B), the egg yolk + the basal diet(C), the basal diet(D). The result showed that the effect of different feeds on growth of larve ware remarkable with A>B or C>D, there is no significant difference between B and C group for change of total length (P>0.05), but there′s a significant difference for other groups(P < 0.05).It had a highest survival rate(89.6%) under the food of Limnodrilu(A), and a lowest survival rate(74.5%) under the food of egg yolk+the basal diet(C).

  • 表  1   不同开口饵料下虹鳟鱼苗全长生长与存活率

    Table  1   The growth of larval O.mykiss in total length and survival rate under different initial feed

    饵料种类
    feed varieties
    水丝蚓
    Limnodrilu
    专用料
    special diet
    蛋黄+基础料
    egg yolk+basal diet
    基础料
    basal diet
    组别 group A B C D
    初始全长/cm initial total length 1.85±0.12 1.85±0.12 1.85±0.12 1.85±0.12
    结束全长/cm final total length 2.84±0.22a 2.51±0.26b 2.46±0.33b 2.01±0.11c
    存活率%  survival rate 89.6 87.5 75.4 82.3
    注: 平均值±标准差; 同一行中参数上方字母不同代表有显著性差异(P<0.05)
    Note: Mean±SD.The different letters on the parameters in the same row mean significant differences(P<0.05).
    下载: 导出CSV
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出版历程
  • 收稿日期:  2007-01-04
  • 修回日期:  2007-02-13
  • 刊出日期:  2007-06-04

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