Disease that often attacks the koi fish

Fin rot or tail rot is a phenomenon of the process of decay or damage to the tail fin or fish. This is usually preceded by the appearance of gray and white lines along the fins are infected, then proceed with the torn-apart fins smooth membrane which starts from the edge of the fin / tail. Areas of decay usually be flushed and bruised. Dilation of blood vessels on the fin, which is marked by the emergence of firm red lines on the fin  is often a sign of the occurrence of fin rot.






Fin rot sometimes occurs simultaneously with the attacks of other diseases such as mouth rot attack. Or it can also be accompanied by secondary disease fungi attacks. In this case the fin rot symptoms may be accompanied by the emergence of cotton in the appearance of rotting.

Cause
Different things can trigger the occurrence of fin rot, though bacteria are the primary cause. Various types of bacteria are known to do with rotting fins, such as Aeromonas, Pseudomonas, and flexibacter. These bacteria are naturally a part of the aquatic fauna, so in general can be found in the aquarium environment. They become pathogenic when its presence becomes multiplied for one thing or they even become more powerful. Some conditions trigger fin rot include: weakening of the immune system of fish, physical damage to the fins, and systemic bacterial attack.


Fish immune system is weakened as a result of environmental deterioration is a common symptom trigger fin rot. These conditions allow the bacteria attacks the cause of fin rot.


The fins are injured or damaged due to physical causes can be a place of fin rot bacteria attacks. Mechanical damage can occur as when captured, fighting, or rubbing against the bottom aquarium decorations or other decorations.


Severe systemic bacterial attacks are often accompanied by the onset of fin or tail rot.


Prevention and Treatment


The emergence of fin rot or tail rot is always accompanied by physical symptoms that are easily recognized. These symptoms can occur several days before spoilage occurs. Therefore hobbyists will have enough time to recognize the symptoms before the fins begin to rot.


Treatment by immersion using salt for fish that are tolerant to salt or by using phenoxyethanol is often effective in treating bacterial infections and fungi as well as secondary attacks. Gentian violet can also be used especially when treatment with other substances perceived less effective.


To speed up the recovery of fin or tail rot, the optimum environmental conditions must be maintained as possible. When the cause of fin rot attack is poor environmental conditions, the improvement of these conditions must first be done before other Treatment done.