Thursday, June 14, 2007


I recently asked about worming fish and I understand your answer about Flukes. My Koi swim in salted water, but following on about treatments for parasites, etc. Is there anything that we should be treating on an annual basis with medications as a precaution against the possible infestation of diseases? I now have a nice collection of fish and I want to make sure I am always doing the right thing by them to ensure their health and safety. Thanking You, William.

Koi health and disease is all about prevention, prevention, prevention. As the saying goes, an ounce of prevention equals a pound of cure. Adding salt to your water makes a Koi's slime coat thicker, which means that it has a better barrier against parasites and bacteria. There really isn't anything other than salt that you can use to treat on a annual basis to prevent a parasitic infestation or a bacterial infection. The best thing that you can do is make sure that you have spot on water quality and a low stress environment for your Koi. You see, parasites and bacteria are in the water at all times. The only time they really harm a Koi is when their immune system is down.

A Koi's immune system gets knocked down when:
  • There's poor water quality. (i.e. a buildup of Ammonia, Nitrite, or Nitrate)
  • They get stressed out often. (i.e. constantly being netted, animals going into pond, kids throwing rocks in pond, ect.)
If you prevent these things from happening, you should have great success with keeping Koi. If you are buying Koi, make sure you get them from a reputable place too. You don't want to buy a Koi thats loaded with parasites.

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