目前在鱼种生产上，有些地方一龄草鱼病害多，成活率低，严重制约了成鱼的生产。为改变这种状况，笔者根据多年来的实践，认为提高一龄草鱼成活率要严把六关。 １．鱼种放养前的准备关草鱼夏花在出塘前要进行拉网锻炼２～３次。一龄鱼种池应具备：面积２～５亩，水深２～２．５ At present, in the production of fingerlings, the grass carp in some places has many diseases and low survival rates, seriously restricting the production of adult fish. To change this situation, the author based on years of practice, that raise the survival rate of first-age grass carp should be strict six off. 1. Preparation of fish stocking before the closure of summer grass in the pond to pull the net exercise 2 to 3 times. First-age fish ponds should have: an area of ​​2 to 5 acres, depth 2 ~ 2.5