群众有草鱼种难养之说。此话一点不假,因为难就难在鱼苗体长在25毫米以内时缺少开口饵料——水蚤,25毫米起胃肠功能开始转化,可以吞食较大颗粒时,又缺少天然饵料——瓢莎,而瓢莎对水域环境有其特殊要求,如掌握不当,便形不成计划产量,也就不能满足鱼种需求,这里介绍瓢莎的培育与管理方法,供广大养殖户参考。 The grass carp species are hard to sustain. This remark is not false, because it is difficult in the fry body length of 25 mm less than the lack of open bait - Daphnia, 25 millimeters since the gastrointestinal function began to transform, you can swallow larger particles, the lack of natural food - scoops Sha, and scallops on the water environment has its own special requirements, such as improper grasp, it will not form a planned yield, it can not meet the needs of species, here introduced scallop Sha cultivation and management methods for the majority of farmers reference.