轮捕轮放是充分发挥水体生产潜力,减少发病和泛池死鱼,提高养鱼产量和经济效益的有效措施。1.轮捕的优点传统的轮捕因拉网和捡鱼操作,会引起鱼群伤亡和影响生长,故一年只能轮捕3～4次,轮放1～2次。此外,因轮捕次数少,不能适时疏散水中鱼群密度,不能解决密度过大抑制生长和发生 It is an effective measure to give full play to the potential of water production, reduce the incidence and death of pan-fish, and increase the output and economic benefits of fish farming. The advantages of a round of arrest The traditional round of arrest due to pull the net and fish collection operation, will cause fish injury and affect growth, it can only catch a year 3 to 4 times, 1 to 2 times rotation. In addition, due to the small number of rounds, can not be timely dispersal of fish in the water density, can not solve the density is too large to inhibit growth and occurrence