1. The fish inadvertently bruises the fish body, and the overfishing pond has a high stocking density, and fishes are very prone to brucellosis. Diseased fish form a gray-white soft cotton floc that is visible to the naked eye. The diseased fish body is overburdened, the swimming is abnormal, and the appetite diminishes, resulting in weakness and death. Prevention: 1 fish pond with 0.04% salt and 0.04% small soda mixture Quanchiposa; 2 wounded broodstock can be applied to the affected area with 4% iodine; 3 fish eggs can be immersed in 4% formalin for two or three minutes.
2. River crab Crabs are affected by water mold disease, excessive water quality, unclear water quality, low water injection, and crab body damage caused by external mechanical damage and predators. The main symptom is the parasitic hyphae of grey cotton wool on the diseased crab. Prevention methods: 1 The disease crab pool drainage depth of 30 cm, and into the new water, every 20 kilomes per 667 square meters of calcined water after Quanchiposa; 2 Quanchiposa 0.0005 ‰ "strong chlorine" or 0.02 ‰ ‰ ‰ 尔 尔forest.
3. Shrimp is caused by fungal parasitism and is mainly harmful to juvenile shrimp. Shrimp began to have opaque white spots on the base of the tail and its appendages, which in turn expanded and caused severe deaths throughout the body. Control: Shrimp were soaked in 0.02 inch formalin solution every day for 30 minutes.
4. M. frugiperda can reproduce on the body surface, limbs, neck, etc. of turtles. When it is severe, it will multiply and parasitize the entire surface of the turtle body, causing serious damage to juveniles and juveniles. In severe cases, it can cause death. The sickness was restless, overburdened, refused to eat, and eventually became thin and died. Prevention: Quanchiposa 0.002‰ to 0.003‰ methylene blue, once every 2 days, 2 consecutive times.
5. Due to the excessive stocking density of the astragalus, the feeding of the bait is insufficient, causing biting or bruising of the jaundice. The mold will be infected by the wound. Prevention: 1 with 2% salt water dip sickness; 2 per sickling feeding daily 500 units to 800 units of crude chrysanthemum baits 3%, and even fed three or four days.
6. Because of inadvertent handling or biting of fish by the fish, the leather beard has injured the fish, causing the fish to become infected with mold. Prevention: 1 Quanchiposa 0.001 ‰ "strong chlorine"; 2 with 2% to 4% salt water dip sick fish for 10 minutes to 15 minutes.
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