鱼类土法免疫免疫就是对病原体产生抵抗力，使不受其感染。土法免疫的方法是：类毒素的制备（１）组织浆的制备。取有典型的病症的病鱼，先用酒精消毒鱼体，用消过毒的剪刀，从肛门向头部，剪除鱼体一边肌肉，再用消过毒的镊子，取出肝、脾、肾等组织并称其重量，然后置研... Fish indigenous immune immunity is to resist pathogens, so that they are not infected. Soil immunization methods are: toxoid preparation (1) the preparation of tissue slurry. Take a typical disease sick fish, first disinfection of fish with alcohol, disinfected with scissors, from the anus to the head, cut off the fish side of the muscle, and then disinfection tweezers, remove the liver, spleen, kidney, etc. Organize and weigh its weight, then research ...