前言大规格鱼种是实现池塘养鱼稳产高产的物质基础,是增产盈利的先决条件。随着我省大面积池塘养鱼的发展,特别是近年来农村个体养鱼热潮的兴起,对大规格鱼种的需求越来越迫切。因此,总结和推广培育大规格鱼种的高产技术措施,使之理论化、科学化、程序化,已成为推动我省养鱼事业大发展,夺取各种养鱼水面稳产高产的重要课 Introduction Large-sized fish species are the material basis for achieving stable and high-yield fish farming in the ponds and are a prerequisite for increasing profits. With the development of large-area pond fish farming in our province, especially the rise of individual fish-breeding in rural areas in recent years, the demand for large-sized fish species has become more and more urgent. Therefore, to summarize and popularize the high-yielding technical measures to breed large-sized fish species and to make them theoretical, scientific and programmatic have become important lessons in promoting the great development of fish farming in our province and seizing the steady and high-yielding outputs of various fish farms