草鱼又叫鲩鱼,生长迅速,肉味鲜美,营养价值较高,是鲤科鱼类中最常见的养殖品种之一。但是,草鱼鱼苗在培育过程中的成活率较其他鱼类低,在许多地区只有30%左右,甚至更低。其主要原因是草鱼鱼苗刚孵化出来时,生命力十分脆弱,对环境的适应能力很差;另一方面,鱼苗下塘后的天然饵料调节,在时间上有一定的误差,造成了因饵料匮乏致使鱼苗营养跟不上,体质变差,造成死亡。笔者结合多年来的实践经验,总结了以下几条 Grass carp, also known as catfish, grow rapidly, meat delicious, high nutritional value, is one of the most common species of carp breeding. However, grass carp fry have a lower survival rate than other fish during their cultivation, and in many areas only about 30% or even lower. The main reason is that grass hatch fry just hatched out, the vitality is very fragile, the ability to adapt to the environment is poor; the other hand, the natural fish after the pond under the regulation of food, there are some errors in time, resulting in food deficit caused Nutrition fry can not keep up, physical deterioration, resulting in death. The author combines years of practical experience, summed up the following few