在池塘中直接增殖轮虫,是解决鱼苗开口饲料、降低生产成本,提高鱼苗成活率和质量的有效途径。 1、排水清塘:一般在鱼塘的底泥中,平均每平方米有轮虫休眠卵几百万至一千多万个,它们是翌年轮虫发生的“种子”。排水能增加底泥中休眠卵的受热量,清塘可清除轮虫的敌害,更换新水本身对休眠卵是一个良性刺 The direct propagation of rotifers in ponds is an effective way to solve the problem of fry open feed, reduce production costs and improve the survival rate and quality of fry. 1, clear water ponds: generally in the ponds of fishponds, the average number of resting eggs per square meter rotifers Millions to more than 10 million, they are rotifer the following year “seed.” Drainage can increase the amount of heat in the dormant eggs in the sediment, clear ponds can eliminate rotten enemies of predators, replace the new water itself is a benign spines on dormant eggs