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不同盐度预处理后Ⅰ龄暗纹东方鲀的摄食、生长和饲料利用
Authors
严美姣,李钟杰,熊邦喜
Publication date
1 January 2005
Publisher
Abstract
通过 4周的生长实验 ,研究了Ⅰ龄暗纹东方 (82 35± 2 97g)在不同盐度预处理后的摄食、生长和饲料利用情况。结果显示 :35‰的预处理盐度对暗纹东方的生长有抑制作用 ,当这种盐度胁迫解除后 ,暗纹东方的生长表现出明显的补偿现象。本实验中摄食率随前处理盐度的升高而增加 ,变化范围为 1 83%— 2 5 1% ,特定生长率亦随前处理盐度增加而增加 ,即由 0 83%增加到 1 2 8% ,饵料系数则随前期盐度实验中盐度的增加而降低 ,由 1 6 7降至 1 4 7。在盐度预处理实验及淡化养
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Institute of Hydrobiology, Chinese Academy Of Sciences
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Last time updated on 15/03/2018