1, reason: The goldfish body is rotten may be got white spot disease, because white spot disease symptoms are more serious when there will be fish body ulceration. White spot disease is mainly caused by low water temperature or large temperature difference, and Ichthyophthirius has a breeding environment, which can cause white spot disease.
2, remedial method: If the body of goldfish has appeared canker, say clearly the symptom of a bit disease has been more serious. At this time, the breeder needs to raise the water temperature to 25-28 ℃ first, and then use Baidianjing for medicated bath. The medicated bath lasts about 15 minutes every day, and it will be improved after a week.
1. Cause: The ulceration of goldfish may also be caused by Saprolegniasis, which is mainly caused by the invasion of mold spores caused by external injuries. In the early stage of Saprolegniasis, white floccule will appear in the affected area, the skin will ulcerate in the middle stage, and the ulceration will become bigger and bigger in the later stage.
2, remedial method: Breeder can use bath of malachite green medicine first, if the symptom is more serious, can match again methyl blue. Generally, 0.3 grams of malachite green or methyl blue is put in 100 kilograms of water, the sick fish is bathed for 10-20 minutes every day, and the mycelium will fall off by itself after a few days.
1, the reason: The goldfish body rotted also has the possibility is the rotten fin sickness, mainly is the water quality is too bad causes. Fin rot usually occurs in the area of the fin and only spreads to the fish when the symptoms are severe.
2. Treatment: The breeder can first use 0.5% salt water to clean the diseased fish, or use oxytetracycline to bathe the diseased fish, or use low-concentration potassium permanganate to soak the diseased goldfish.
