What are the symptoms, epidemic characteristics, prevention and treatment of enteritis?

The main results are as follows: (1) the etiology of the disease is not completely confirmed. However, most scholars believe that the disease is caused by intestinal Aeromonas punctata, so it is also known as bacterial enteritis or rotten intestinal distemper.

(2) at first, the symptomatic diseased fish showed dull floating, slow movement, outlier, anorexia, and even loss of appetite, blackened fish, more significant head and caudal fin, erythema in the abdomen, redness and swelling of the anus, and initial excretion of white linear mucus or constipation. In severe cases, there is a blood-yellow mucus flow from the abdomen by gently pressing the abdomen. Dissection of the diseased fish shows that the intestines are inflamed and congested, even purple, so they will die soon.

(3) the epidemic characteristics were more than those from April to October.

(4) Prevention and treatment methods ① avoid feeding spoiled bait to prevent typhoid food from suffering from cold. ② dissolves furacilin or dysentery in 5 liters of water, 0.1g and 0.2g, and soak the diseased fish for 20min, once a day. In peacetime prevention, you can also use oxytetracycline 0.25g, or tetracycline 0.25g, or norfloxacin 0.r1 grams and other antibiotic drugs, the dosage is 50 liters of water, put 2 tablets in the water, and change the water after bathing for 2 to 3 days. ③ is sprinkled with furacilin or furazolidone in the whole pool, and the dosage is 0.1g for every 50 liters of water. ④ 0.1g of dysentery per 1kg of fish was mixed in artificial diet to feed diseased fish once a day for 3 days.