轮虫数量的多少是鱼苗生产中确定鱼苗下塘时间的重要依据,是显示鱼苗池水质好坏的标准,一般要用显微镜、计数板计算轮虫的数量,但绝大部分生产单位特别是广大的养鱼专业户没有这些设备,给养鱼生产带来了诸多不便。现介绍一种轮虫数量的简易 The number of rotifers is an important basis for determining the fry pond pond production time, is to show the quality of fry pond water quality standards, generally use the microscope, counting board to calculate the number of rotifers, but the vast majority of production units, especially the vast majority The fish farming professionals do not have these devices, to bring a lot of fish production inconvenience. Now introduce a simple number of rotifers