1995年,罗氏沼虾育苗于2月份开始。珠海地区虽有个别育出千几万苗的,但与其上年产量比还是相差甚远。一般育苗场的总产量为300至500万尾,部分育苗室早在4月初即结束,有不少育苗场甚至连1尾苗都未育出。笔者总结这次育苗失收的总体原因,粗 In 1995, Macrobrachium rosenbergii began in February. Although there are several individual Zhuhai bred tens of thousands of seedlings, but compared with the previous year’s production is still far cry. In general, the total output of nursery grounds is between 3 and 5 million. Some nurseries are closed as early as the beginning of April. Many hatcheries have not even breed 1 seedlings. The author summarizes the overall reasons for the loss of nursery stock, crude