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Koi Surgery

Koi Surgery

Koi and ponds are more popular than ever. Occasionally, veterinarians are called upon to perform surgery.

Fish Surgery by Dr. Erik Johnson

During the natural expansion of veterinary medicine into the world of Koi — it was inevitable that sooner or later a fish would require surgical intervention. When called upon to do this in the mid nineties, the road was not paved with much information for me, and we lost a fair number of fish just developing safe and useful anesthesia. After we had the fish living through anesthesia, we had to work out all the issues of surgery. So it's been a long road.

The most common cause for surgery on fish is the repair of damage or infection to the mouth, enucleation, removal of tumors on the skin, suturing wounds, and exploration of the abdomen.If you think about it, there's lots of things that might require surgical intervention when it comes to fish. It can make a big difference to quality of life, and even to survival.

Why (under what circumstances) do people do this for their fish? Not many people even have surgery for their fish. Koi *can be* expensive but that does not mean they all are. And not all people are as attached to fish as they might be to a dog or cat. More imprtantly than economic or sentimental "value" — folks frankly doubt that there's anything that can be done — so opportunities are missed. I perform surgeries on fish in the Atlanta area at no cost to the owners. So economics are largely removed from the equation. Still, surgeries are comparatively rare because people are reluctant to actually go to the trouble.

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If a fish is injured, or has an abdominal swelling which might be a surgical target either for its diagnosis or removal, the owner would make contact with the office in Marietta and arrange to ship the fish or carry the fish to my office.

Do all vets do fish surgeries? Not all vets practice fish medicine. Exactly the same way I don't practice on horses or birds, so some veterinarians do not work on fish. It has to do with expertise and passion. Fish are important to me as pets and I "like" them. Other vets prefer horses in a similar way. This defines our training and our allocation of time. There is a growing list of veterinarians who practice fish medicine. The list is at Fishdoc.net — Choose "Find a Vet" and you will be able to search by state.

Do I have to ship my fish to you for the surgery? Sometimes you can find a veterinarian who will perform fish surgery. Of these, a growing proportion will be able to provide you with surgical services. There is a diagnostic process to determine if surgery is even indicated for your fish. Past that, you can find help locally if you're lucky. If you have to ship your fish to me in Atlanta, there are guidelines for this.

And if I do have to ship a fish, how do I package and ship them so they survive? There's a complete document on shipping fish for surgery at the Koivet website.

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The highlights of shipping are as follows. First, never ship the fish until or unless you've actually spoken to someone on the receiving-end to make sure that I am in town, ready to have the fish in the clinic, and ready to do the surgery. It's also important that you ship the fish in a large plastic bag with about 30% water (enough to cover the fish) and 70% oxygen. The oxygen needs to be pure, 100% oxygen from a tank, not room-air. Fish will NOT get here alive packed under room air. I promise. And the air should take up more space in the bagg than the fish or the water. But there should be enough water to cover the fish. Finally, make sure the bag is not "taut" with oxygen — the bag should be "mushy" becuase when the airplane cabin pressurizes in flight, the bag will expand and become taut — and if you've packed it tight with oxygen, it will pop — and the fish will be lost. Make sure to close the bag with TWO rubberbands and then overbag it in another plastic bag with TWO rubberbands. Those are the highlights. The website talks about the shipping type, time of day to drop the fish off, and how to talk to Fedex to get what you want!

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