1郾挂篓穴袋雪法在食场周围悬挂盛药的袋或篓,形成一消毒区,当水产动物来摄食时达到消灭体外病原体的目的。此法具有用药量少、方便简单、没有危害及副作用小等优点,一般须持续挂药3天左右。此法主要用于网箱养殖区域或大水面养殖。2郾药浴法将水产动物集中在较小容器、较高浓 1 郾 hanging pocket bag snow method hanging in the food around the food bag or basket, forming a disinfection zone, when aquatic animals come to eat to eliminate the purpose of eliminating pathogens in vitro. This method has less medication, easy and simple, no harm and the advantages of small side effects, the general should continue to hang about 3 days. This method is mainly used for cage culture area or large surface culture. 2 郾 medicine bath aquatic animals concentrated in smaller containers, the higher concentration