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敌百虫是一种低毒、残留量较少、残留时间较短的有效杀虫药,广泛用于农业、畜牧业、水产业以及卫生等方面。目前,在鱼病防治上,已取代了过去常用的有机氯杀虫剂“六六六”等,对由甲壳动物引起的鱼病、和鱼体外,肠内寄生蠕虫病具有良好的防治效果;并能杀死对鱼苗、鱼卵有害的剑水蚤、水蜈蚣等水生昆虫,而对鱼苗、鱼卵无不良影响。敌百虫,纯品系白色晶体,工业品为白色块状固体,易溶于水。根据敌百虫的物理化学特征。在用它防治鱼病时,应注意以下几点。
Trichlorfon is a kind of effective insecticide with low toxicity, less residue and short residual time. It is widely used in agriculture, animal husbandry, aquaculture and health. At present, in the prevention and treatment of fish diseases, it has replaced the commonly used organochlorine pesticide “666”, which has good control effects on fish diseases caused by crustaceans and on parasitic helminthiasis in vitro and in fish; And can kill the fry, egg detrimental water swordfish, water centipede and other aquatic insects, and the fry, fish eggs without adverse effects. Trichlorfon, pure white line crystals, industrial products for the white block solid, soluble in water. According to trichlorfon physical and chemical characteristics. In using it to prevent fish disease, should pay attention to the following points.