When breeding koi, sometimes you will find that its body is rotten. At this point, it is likely to be sick. In the case of unclean water quality, bacteria are very easy to reproduce, which will lead to Koi illness. For example, "skin mildew". The disease can occur all year round, but is most common in early spring and late autumn. This kind of disease itself harm is very serious, morbidity time can cause on the Koi's body to appear some white hairs, on the outward appearance looks like decays. In addition to this disease, there are other diseases caused by bacteria, such as "red skin disease", which can also cause the body of Koi to rot.
Whether it is "skin mold disease", or "red skin disease" and so on, are caused by bacteria. These pathogens exist in the water, which will lead to infection of other koi. Especially in the case that other koi also have wounds on their bodies, infection is very easy to occur. Diseases such as "skin mold", which are serious in themselves, can kill a large number of koi after infecting other koi. Therefore, after finding a koi with symptoms, it needs to be fished out and isolated in a separate tank, and then treated. For the original fish tank, it is also best to replace the water inside, and disinfect the water inside.
