饵料就是产量。饵料的质量和投饵的技术,是影响养鱼产量的重要关键。因此,应根据放养鱼类、鱼类活动情况和季节、天气、水温、水质等条件,选用来源广、价值低,鱼喜吃的饵料,采用“四定”投饵技术,才能取得高产量、高效益。“四定”中除定质一项是指饵料的种类和质量,属于物质条 Food is production. The quality of bait and the technique of feeding are an important factor that affect fish production. Therefore, should be based on stocking fish, fish activity and the season, weather, water temperature, water quality and other conditions, the selection of a wide range of sources, low value, fish like to eat bait, using “four” bait technology in order to obtain high yield, High efficiency. “Four” in addition to qualitative one is the type and quality of food, belonging to the material