稀土喂鱼防病促长在人工配制的鱼饲料中，加一定量的稀土，可调节鱼体代射，杀死危害鱼类的各种病菌。配合精饲料饲养亲鱼。将稀土４０—５０克或鱼用稀土添加剂１包，用少许醋溶解，再兑水０５千克制成溶液。喷于５０千克精饲料上，边喷边拌匀。若有条件，制成膨化饲料... Rare earth feeding disease prevention and growth In the artificial preparation of fish feed, add a certain amount of rare earth, fish can be adjusted on behalf of the injection, killing a variety of pathogenic bacteria harmful to fish. With fine feed raising broodstock. 40-50 grams of rare earth or fish with rare earth additives 1 package, with a little vinegar dissolved, and then watered 0  5 kg solution. Spray on 50 kg of concentrate on the feed, mix while spraying. If conditions, made of extruded feed ...