, if there is erythema on ornamental fish body, need to change water to heat up to it immediately, prepare medicated bath to immerse at the same time. This kind of disease calls haemorrhage disease again, very common on body of carp of grass carp, crucian carp, sicken reason has a lot of, for instance water temperature produced bigger change, or it is water quality produces wave motion, still a kind of possibility is bacterial infection, this kind of circumstance often is more serious, rely on old 3 kinds bad rehabilitation, need to use medication.
? 1. Fluctuation of water temperature: Fish have erythema, which is probably caused by fluctuation of water temperature. No matter what kind of fish, the ability to adapt to temperature changes is very limited, and the large temperature difference in a short time will stimulate the fish to cause various adverse reactions. Therefore, it is better to equip a heating rod in the cylinder to ensure that the water temperature is constant.
2. Deterioration of water quality: If the water is not changed for a long time, the water quality in the tank will deteriorate, which will also affect the health of the fish and cause erythema on its body surface. Usually, according to the maintenance of water quality, water should be changed once a few days or a week, but each change of water can not be more than a quarter.
3, bacterial infection: Fish suffer from bacterial infection, there will be erythema, this time often need to use some drug treatment, such as furacilin, potassium permanganate and mercurochrome, the dosage of different drugs is not the same, it is best to prepare a separate bath container, do not pour the drug directly in the original tank.