摘要
以冰鲜桡足类为饵料对鮸鱼幼鱼在不同水温时的摄食进行了研究.在水温10、15和20℃时,幼鱼消化道饵料系数和食物消化时间呈线性回归方程,曲线斜率为食物消化速度;消化时间各为16、19和12h;摄食率各为100%、100%和85%;消化道饵料系数均在45-60min之内达到最大值;饱食系数各为3.11%、7.84%和8.42%;提出鮸鱼幼鱼的日摄食量指数公式为:日摄食指数=饱食系数+(12×消化道饵料系数与消化时间曲线方程一次项系数),得到日摄食量指数各为5.92%、15.19%和22.29%.
The paper reports the feeding of Miichthys miiuy（Basilewsky） larvae with the frozen copepods in different water temperature. The food conversion efficiency in alimentary tract and food digestion time formed a linear regression, the curve slope being the same as the food digestion rate. When the digestion time were 6h, 19h and 12h, the feeding rate were 100%, 100% and 85% respectively. All of the food conversion efficiencies tion coefficient of 3.11%, 7.84% and 8.42% feeding index for Miichthys miiuy larvae is： daily nomial coefficient in the regression equation）, reached maximum during 45min-1h , with satiarespectively. The suggested equation of the daily feeding index = satiation coefficient ＋ （12 ×monomial coefficient in the regression equation）, the result of the daily feeding indexes were 5.92%, 15.19% and 22.29%, respectively.
出处
《台湾海峡》
CAS
CSCD
北大核心
2007年第2期276-280,共5页
Journal of Oceanography In Taiwan Strait
基金
温州市社会发展科学研究项目基金资助(S2004B012)
关键词
水产养殖
鲵鱼
幼鱼
水温
摄食
Miichthys miiuy
larva
temperature
feeding
