What are the common diseases of turbot? How can they be prevented and treated effectively?
Turbot, also known as the flounder, is rich in collagen, and long-term consumption can achieve beauty and skincare effects. At present, the market price of turbot is 40-50 yuan per jin, higher than ordinary home-style fish, which has attracted many farmers to raise it. During the farming process, diseases are unavoidable, so what are the common diseases of turbot? How can they be prevented and treated well? Here is an introduction for everyone:
I. What are the common diseases of turbot?
Farmers raising turbot will inevitably encounter diseases, but because they previously had no relevant farming experience, they cannot identify what disease is causing them. Let us take a look at the common diseases of turbot!
1. Red body disease
The gill filaments of the diseased fish are anemic and dark gray, the fin bases bleed, and in severe cases the entire body becomes red from bleeding.
2. Black thin disease
The body color of affected fry turns black, the head is large, and the body is relatively small.
3. White fin disease
The dorsal and ventral fins of the diseased fish become turbid white, the fin edges curl, and the fin tissue develops ulceration.
4. Flagellate disease
The pathogen is the free-swimming Ichthyobodo, which lurks in the water, waiting for an opportunity to attach to the diseased fish and then rapidly reproduce.
5. Furunculosis
In the early stage of the disease, localized red swelling appears on the back of the diseased fish. As the disease progresses, the lesions begin to suppurate, and finally the lesions form yellow-white ulcerative wounds.
6. Exophthalmia
One or both eyes of the diseased fish bulge out, the tissue around the eyes is swollen and pale red, and red swelling often also appears in the ventral area directly below the eyes.
7. Fin rot disease
The dorsal fin, anal fin, pectoral fins, and caudal fin of the diseased fish first become turbid white, and after 1-2 days gradually become congested and red until they ulcerate.
8. Ascites disease
The abdomen of the diseased fish becomes distended, and there is a large amount of colorless or pale yellow liquid in the intestines and stomach or abdominal cavity. In severe cases, the diseased fish develops diffuse congestion over the whole body, appearing dark red, and the anus is red, swollen, and protruding.
The above 8 types are the common disease categories of turbot.
II. How can the common diseases of turbot be prevented and treated effectively?
1. How to prevent and treat red body disease in turbot?
Usually strengthen water quality management, disinfect regularly, and when feeding, do not choose stale frozen fish, so as to avoid bringing viruses in. After discovering the disease, promptly isolate the diseased fish to prevent it from accelerating the spread of infection.
2. How to prevent and treat black thin disease in turbot?
Keep the aquaculture water clean and maintain a sufficient water exchange volume. Splash “high-concentration compound glutaraldehyde” over the whole pond for medicated baths, treating continuously for 3 days, with each medicated bath lasting more than 8 hours per day.
3. How to prevent and treat white fin disease in turbot?
Ensure the water quality is clean, reduce stocking density, change water frequently, and promptly remove dead fry. The rotifers and brine shrimp used for feeding must be disinfected before feeding. Splash high-concentration compound glutaraldehyde for medicated baths.
4. How to prevent and treat flagellate disease in turbot?
Ensure the water quality is clean, remove organic debris and other contaminants. After discovering diseased fish, the water temperature must first be lowered to inhibit the reproduction of parasites.
5. How to prevent and treat furunculosis in turbot?
Change water frequently, disinfect and sterilize regularly, and feed in appropriate amounts. When the disease occurs, promptly isolate the diseased fish, then splash high-concentration compound glutaraldehyde for medicated baths for 2-3 days.
6. How to prevent and treat exophthalmia in turbot?
Strengthen water quality management and hygiene practices. When the disease occurs, add “Pingfukang” to the bait for oral administration, twice a day, feeding continuously for 5 days as one course of treatment, until the symptoms disappear.
7. How to prevent and treat fin rot disease in turbot?
Frequently deal with pollution, increase water exchange volume to keep the pond bottom clean and maintain good water quality. Diseased fish should be isolated and handled as soon as possible. Splash “high-concentration compound glutaraldehyde” over the whole pond for medicated baths, treating continuously for 3 days.
8. How to prevent and treat ascites disease in turbot?
Strengthen hygiene management, avoid feeding stale miscellaneous fish, and immediately isolate diseased fish when found to prevent mutual infection. When the diseased fish can still eat, add “Pingfukang” plus “Yubingkang” to the bait for oral administration, twice a day.
Summary: The above is an introduction to turbot diseases and prevention and treatment methods, hoping to help farmer friends in need. This article is compiled from the Internet.