江丽华,朱爱意,苑淑宾

• 1:浙江海洋学院浙江省海洋养殖装备与工程重点实验室

摘要(Abstract)：

在水温18℃±1℃和盐度27.0±0.5条件下,研究了饥饿对褐菖鮋耗氧率和排氨率的影响。结果表明:对照组的平均耗氧率为1.082 mg.g-1.h-1;饥饿组耗氧率随着饥饿时间的延长而下降,饥饿期间,褐菖鲉的平均耗氧率为0.893 mg.g-1.h-1,总体上低于对照组。排氨率随着饥饿时间的延长下降趋势呈阶段性变化:饥饿1 d、3 d后的排氨率略低于对照组但差异不显著(P>0.05);饥饿3～7 d,排氨率下降幅度变大,饥饿7d较饥饿3 d的排氨率下降了185.075%;饥饿14 d、21 d后排氨率分别为0.053 mg.g-1.h-1和0.028 mg.g-1.h-1,呈继续下降趋势,但下降幅度减缓。褐菖鮋的nO∶nN比值始小幅度上升,7 d时开始迅速上升,21 d后升高至27.754,差异显著(P<0.05)。

关键词(KeyWords)： 褐菖鮋;饥饿;耗氧率;排氨率

Abstract:

Keywords:

基金项目(Foundation): 国家支撑计划项目“东海区浅海健康高效养殖技术开发与示范”(2007BAD43B07)

作者(Author): 江丽华,朱爱意,苑淑宾

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