鱼种是发展养鱼业的基础,培育规格大、质量好、种类全的优良鱼种,对开发利用各种水体,提高鱼类养殖产量有着极为重要的意义。笔者经过10年试验,采取强化方法培育鱼种,获得了满意的效果。其技术要点如下:(一)改善池塘生态条件。池塘面积、深度恰当,既能满足鱼种活动需 Fish species is the basis for the development of fish farming industry. Cultivating fine species with large size, good quality and complete variety is of great significance to the development and utilization of various water bodies and raising the production of fish culture. After 10 years of experiments, the author adopted intensive methods to cultivate fish species and obtained satisfactory results. The technical points are as follows: (A) to improve the pond ecological conditions. Pond area, the depth of the appropriate, both to meet the needs of fish species