每年5月下旬至6月中旬这段时间,是放养鱼苗的最佳时期,把好放养关,是能否培养出健壮鱼种的关键。为此,我们向您推荐在夏放鱼苗时要注意的几个问题,供大家参考。 问题之一:投放鱼苗前,对池塘进行一次拉网,清除水中杂物、野杂鱼、蛙卵、蝌蚪等;对清好的池水进行一次毒性试验。方法:取一盆池水,将少量鱼苗放入水中,鱼苗若没有异常的反映,则可大批投放。 Each year from late May to mid-June this time is the best time to stocking fry, the good stocking off, is able to cultivate the key to robust fish species. For this reason, we recommend to you several issues to pay attention to in summer fish fry for your reference. One of the problems: before the fish fry, pull the net once the pond, remove debris, wild trash fish, frog eggs, tadpoles, etc .; on a good test of water toxicity. Methods: Take a pot of water, a small amount of fish into the water, fry if there is no abnormal reflection, you can put a large number of.