As you take care of your Koi, always protect them from fatal diseases like the KHV (or the Koi Herpes Virus). You should know that your fish is very prone to the disease. So how do you protect your Koi from this? The best way to protect your pets from the virus is to make sure they never get exposed to it. If you have the necessary information about this kind of virus, you can better protect your Koi from it.
The Facts About The Virus:

So what is this disease? Since the primary outbreak, a little has only been learned about the virus. Knowing the important facts is very important in protecting and ensuring the survival of your fish. The KHV is a deadly disease which has just recently popped up in the industry. In the late 1998 and early 1999, the first outbreak has been reported and confirmed in Israel, then in the following years has been confirmed in places like Europe, Asia and the United States.

The disease will infect the victim for life. Even those who do not show any signs of the virus, they will be carriers if exposed to it. The mortality rate for those that have been exposed is around 60 percent to 80 percent.

There's no known cure for the Koi Herpes Virus. Even if proper treatment has been given to your pet, never again will they be able to go to a new home, and this is because if you put them in a healthy population, they will be able to spread the virus to the others (this can cause a potentially higher rate in terms of mortality). Remember that this virus can spread in many ways: from the tools used to handle the infected fish, the water in which the infected fish swam, the fish coming into contact with the infected ones, etc.

Stress can increase the mortality rate of the fish, even though it doesn't directly cause the virus itself. Temperatures at 74 degrees Fahrenheit can be utilized to track the virus, and it will allow the necessary testing and quarantining of your fish to observe if they have been exposed or not.

Preventative Measures That Can Be Taken

Depopulation is a great way to prevent the disease, which means the elimination of your whole pet population. Although it may seem as a harsh method if you look at it, with this you can really ensure that you don't infect the other fish in your pond. Another method is quarantining. If you buy a new fish, make it a point that you quarantine it before mixing it with your current population (for a period of no less than 15 days).

Quarantining your fish means that they should be totally isolated from the others. Separate the food, water, and the tools that you're using for the isolated ones. Ensure as well that the tools being used for them will not leave the area where they are to be used. Proper hand washing procedures should be observed in handling your pets and other essential items. If you follow these effective preventative measures will help you protect your fish from catching the virus.