1轮捕轮放的目的饲养食用鱼的池塘,鱼种在一次放足的基础上,1年分数批将达到食用规格的鱼捕出,同时补放一部分鱼种。这种养鱼措施可以使池塘在饲养期间保持较合理的载鱼量,避免由于鱼群密度过大而影响生长,最主要的是可以提前在夏季补放部分夏花鱼种,又可以为来年提供部分优良? The purpose of a round of catching rearing fish feeding ponds, fish species in a release on the basis of a year will reach the number of edible fish catch, while part of the fish to make up. This kind of fish farming can keep the pond more reasonable during feeding and avoid the growth due to the density of the fish. The most important thing is to replenish some summer flower species in the summer ahead of time, Provide some good?