鱼苗池中几种水生动物和藻类对鱼苗危害严重,应根据不同对象采用相应的防治措施以确保鱼苗的正常生长。一、龙虾系一种分布广、繁殖快的杂食性虾类,在鱼苗(种)池中大量繁殖时危害极大,既伤害鱼苗又大量吞食鱼苗,其防治方法是:1、生石灰清池:以水深1m 计每667m~2水面撒施生石灰75—100kg;2、速灭杀丁杀灭:以水深1m 计每667m~2水面用20%速灭杀丁2支溶水,再加少许洗 Fish fry pond several aquatic animals and algae on the fry serious harm, should be based on different objects using the appropriate control measures to ensure the normal growth of fry. First, the lobster is a widely distributed, fast-breeding omnivorous shrimp, fish in the pond (species) large-scale reproduction of the great harm, both to harm fish and swallow a large number of fry, the prevention and treatment methods are: 1, Depth of 1m per meter 667m ~ 2 surface spreading lime 75-100kg; 2, speed kill K kill: Take the depth of 1m per 667m ~ 2 water with 20% speed kill Ding 2 water solution, plus a little washing