1, reason: Koi mouth is red and swollen fester, because hit crock or catch likely, the injury when carrying, but did not treat in time, can appear red and swollen fester circumstance, this kind of circumstance is easier to treat.
2. Treatment: The breeder can use strong salt water to smear the ulcerated part of the lips once a day, three times at a time, and then put it into the jar for rest. During the rest period, a small amount of feeding is needed to keep the water clean and recover in 3 days. If the ulceration is serious, iodine or erythromycin ointment should be applied, and potassium permanganate bath should be used.
1, the reason: koi mouth swelling and ulceration may also be caused by bacterial infection of rotten mouth disease, the main reason is poor water quality. The disease usually occurs in May and July. Infected fish will first appear white around the mouth, then turn red and swollen, and when the disease is aggravated, the mouth will fester. Bacterial mouth rot can also be accompanied by tail rot or fin rot, which breeders need to pay attention to.
2. Treatment: The breeder needs to take a medicated bath with yellow powder once a day for 30 minutes each time. If the condition does not improve after 3 days of medicinal bath, oxytetracycline medicinal bath should be used. Or directly put 3-5 tablets of oxytetracycline in the fish tank and take a medicated bath for a week to see the effect of the treatment. During the period of treatment, the diseased fish can be fished out every day and the affected area can be cleaned with iodine.
