Tuesday, August 19, 2025

Catfish disease


Catfish are susceptible to various diseases that can be caused by bacteria, parasites, fungi, and viruses. Here are some diseases that commonly affect catfish:


Bacterial Diseases

- *Aeromonas hydrophila*: symptoms include red wounds on the skin, body swelling, bleeding on the fins and belly, and sudden death. Treatment can be done with antibiotics such as oxytetracycline.

- *Edwardsiella tarda*: symptoms include wounds and ulcers on the skin, swelling of internal organs, and fish becoming weak and easily dying. Treatment can be done with antibiotics such as kanamycin or tetracycline.

- *Enteric Septicemia of Catfish (ESC)*: symptoms include bulging eyes, red spots on the body, swollen belly, and holes in the top of the head. Treatment can be done with a two-week antibiotic feed regimen.

- *Columnaris*: symptoms include yellowish-brown lesions on the skin and gills. Treatment can be done with potassium permanganate.


Parasitic Diseases

- *Ichthyophthirius multifiliis (Ich)*: symptoms include white spots on the body and fins of the fish. Treatment can be done with fish salt or formalin.

- *Trichodina sp.*: symptoms include fish rubbing against the surface of the pond, excessive mucus on the skin and gills. Treatment can be done with formalin or salt solution.

- *Anchor Worms*: symptoms include fish scratching against objects in the pond, greenish-white thread-like protrusions from the skin. Treatment can be done by removing the parasites from the fish's body.


Fungal Diseases

- *Saprolegniasis*: symptoms include white cotton-like growths on the skin, fins, or gills. Treatment can be done with potassium permanganate or salt solution.


Viral Diseases

- *Channel Catfish Virus Disease (CCVD)*: symptoms include fin bleeding, pop eye, and abdominal swelling. There is no effective treatment for this disease, so prevention by maintaining cleanliness and water quality is crucial.

- *Viral Hemorrhagic Septicemia (VHS)*: symptoms include bleeding in the eyes, gills, and base of the fins. There is no effective treatment for this disease.

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