Symptoms and treatment of hemorrhagic disease of ricefield eel

Monopterus Albus hemorrhagic disease: the disease is that there are blood spots on the body surface of Monopterus Albus, the shape of the plaque is uncertain, the size of the plaque is different, the bleeding around the plaque is more serious than the middle area, sometimes it is diffuse bleeding, the abdominal bleeding is the most serious on the surface of the whole body, followed by both sides, and the back is not much. The diseased eel was isolated and observed, and it was found that the diseased eel died 2 days later. Shortly after death, the diseased eel had red and swollen anus, bleeding and extroversion, and there was blood-like mucus in the mouth. Dissecting the diseased eel found that its abdominal cavity was filled with purplish red blood and mucus, the liver was enlarged with blood spots, the color became pale, spleen bleeding, intestinal mucous membrane punctate bleeding, kidney swelling bleeding, no food in the intestine with yellow mucus. Prevention and treatment methods: (1) the diseased eel and dead eel were fished out and isolated to prevent the deterioration of the disease. Control the spread of the disease. (2) after thoroughly changing the water, sprinkle it with furazolidone in the whole pool to make the pool water show 0.5ppm concentration; 2 days later, change the water again and sprinkle it with sodium trichloroisocyanurate, the stool water shows 0.4~0.5ppm concentration. (3) insist on changing water every day and disinfect with appropriate amount of quicklime to adjust the water quality. A week later. The disease is under control, and Monopterus Albus is eating regularly. The above is for reference only.