摘要
对滁州鲫鱼的食性进行了调查研究。结果表明:滁州鲫是一种杂食性鱼,它的主要食物组成是轮虫、枝角类、桡足类、单胞藻类和有机碎屑等,随着体长的增长,食物中大型浮游动物、水生植物所占比例明显增加。对食物的摄食量上有季节性变化,在夏、秋两季摄食量最大,春季次之,冬季最少。
The present paper deals with the preliminary studies on feeding habits of Chuzhou crucian carp.The results show that the Chuzhou crucian carp is omnivorous fish,most of the diet which are consist of Rotifer,Cladocera,Copepod,Single-cell algae and Detritus.With the growth of body length,the proportion of large zooplankton and aquatic plants in food increased significantly.There is a seasonal change in the feeding amount,in the summer and autumn is largest,followed by spring and winter is least.
