This condition is primarily caused by improper feeding practices, such as overfeeding high-fat or spoiled feed, which impairs the fish's nutrient absorption.
(1) Symptoms:
The fish becomes emaciated, with noticeable wasting of the dorsal muscles along the spine near the dorsal fin. The fish exhibits poor appetite, reduced resistance, and increased susceptibility to skin diseases.
(2) Preventive Measures:
Treatment is difficult, so prevention is key. Vitamin E should be periodically added to the feed to help prevent this condition.
