It is always annoying if one of your koi carp is sick. That is why it is good as a koi carp hobbyist to know how you can prevent koi diseases. In addition, it is also important to know how to recognize koi diseases and how to cure koi diseases.
Prevent koi carp diseases
Keep the water in which the koi carps swim clean. You can do this by replacing 10 to 20% of the water every week. In between, it is recommended to regularly check and adjust the water quality. And it is also important to have a good filter with sufficient filter capacity.
Also make sure that the koi don’t have too much. The best is no more than one koi carp per 1000 liters of water. The fewer koi carp, the less likely a carp will transfer a disease to another carp.
It is also better to buy the koi carps at an authorized dealer. And first place the new koi carp in quarantine after purchase, so that you can check whether the fish has no disease. Feeding the fish is also important, give your fish good quality food so that they get the right nutrients.
Recognize koi carp diseases
Recognizing koi carp diseases is very important for the health of the fish. The sooner you find out that a fish is sick, the greater the chance that a treatment will start, and the sooner you can place the fish in quarantine so that it does not infect other fish.
Diseases often express themselves in strange behavior. An example of this is sanding along walls and the bottom. This can mean that the fish suffers from parasites. Another example of strange behavior is jumping out of the water a lot. In that case it may be that there is irritation to the skin or gills of the carp. If the fish has difficulty swimming straight, there may be a condition at the swim bladder.
In addition to strange behavior, pay attention to deviations in the body of the koi carp. For example, puffy eyes may indicate abdominal dropsy. And outstanding scales can mean that there is a fluid retention behind the cuticle pouch.
Note the following symptoms. These can tell you what kind of illness the koi carp can have.
|Koi carp shows ..||Indication of ..|
|Clearly visible parasites||Parasites|
|Sanding along walls and soil||Parasites|
|Jump or fast movements||Parasites|
|Accelerated gill movements||Oxygen deficiency or parasites in the gills|
|White layer / fluff over the scales||Oxygen deficiency|
|White, brown or black bumps||Bacterial infection, parasites|
|Worm-like threads on the body||Parasites – Anchor worms|
|Outstanding scales (fluid retention behind scales)||Parasites, abdominal dropsy, bacterial infection, wounds|
|Red veins on the skin||Stress|
|Red spots / bumps||Parasites and / or bacterial infection|
|Bulging eyes||Vitamin deficiency, fat / moisture behind the eyes|
Koi carp cure diseases
As a koi hobbyist, it is possible to treat your fish yourself. Much information can be found in books or on the internet. But cure koi carp diseases is not for everyone, so when in doubt it is always best to call in a vet.
An example of a treatment is that for the common “white spot disease”. In this case you place the fish in quarantine in which the salt content of the water is 0.5%. You can also increase the heat of the water to 26 degrees Celsius for two weeks. This way the parasite eggs hatch faster, and they will also be killed.
This is just one example of treating Koi carps diseases. Many other diseases can also be treated by yourself.