Prevention and treatment of hepatic linear hemorrhage of cultured puffer fish

[symptoms of hepatic linear hemorrhage of puffer fish] the body color of the diseased puffer fish is black, and the color from the eyes to the kiss is obviously lighter, sometimes the body color of puffer fish becomes lighter and paler. Sometimes the base of caudal fin, anal fin and dorsal fin is congested. Cutting open the abdomen of the fish, we can see that there are two obvious linear bruising marks on the liver, all of which are lifted from the left side of the abdomen to the right side. There is no food in the intestine, and the intestinal wall is sometimes slightly congested; sometimes seriously ill fish show special manic running behavior, similar to the symptoms of puffer fish's diphtheria. The mortality rate of globefish liver linear hemorrhage disease is high, and there is no effective treatment at present. We adopt the policy of prevention first and treatment as a supplement. Regulate and control the water environment, often absorb pollution, often change water, especially the bottom water should be changed frequently. It was found that the diseased fish were fished out and destroyed in time, and the following treatment measures were taken for the diseased pond, and certain results were achieved.

[prevention and treatment of hepatic linear hemorrhage of puffer fish] (1) Water body sprinkled with drugs: ① 0.5m / L oxytetracycline hydrochloride and ② 0.1mg erythromycin. ③ 0.4 Mel 0.5 mg / L furazolidone was sprinkled. (2) mixed bait: ① was fed with 0.4 ml 0.5 g norfloxacin per kg feed for 5 days, and ② 0.1 ml 0.3 g oxytetracycline hydrochloride per kg feed.