Dr.Kolam
Koi Lover
Jun 12, 2008, 11:42 PM
Post #1 of 5
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How to treat koi with small areas of scale extrusion
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We would like to share the way we normally treat the Koi of our ponds when they suffer from localized scale extrusion in small areas. It must be noted in haste, that Koi can be generally healthy yet can still develop small bumps that are infected raised scales. The infection is located under the scales. This condition may be detected by inspection. Figure 1 illustrates how these raised scales might appear.
This infection under the scales must not be left untreated. The infected soft tissue under the scales needs to be removed.
In the following figures please note the sequence of the procedures that we had taken when we operated on this valuable Showa in January 2002.
Figure 1. Koi was put in a tank that contained a mild anesthetic. In the case of this Showa, there was a problem area at the right side lower end of the second Hiban step, right above the Sumi pattern.
Figure 2. After the Koi is calmed and anesthetized, remove the Koi onto an operating table. Check the condition of the raised scales with a surgical knife. Palpate to feel the depth of the infection into the soft tissue around the problem spot. Where the scales have noticeably extruded the most, make a small incision. This will allow the infected material to come out.
Figures 3. With both thumbs slowly and gently press and feel the spread of the infection.
Figure 4. Using both thumbs press, push, and squeeze the affected soft tissues towards the opening you had made.
Figure 5. As the infected tissues are moved toward the incision, repeat the squeezing movements to make sure you have forced all the infected material out; don't leave any behind.
Figure 6. As the pus and tissue fluid from the affected areas coke out of the incision, wipe with tissue paper and dry the area.
Figure 7. Provide the Koi with an antibiotic shot. The antibiotic used is any common-use such medication for veterinary purposes. Whatever broad-spectrum antibiotic is available in your area will be fine.
Figure 8. Next, using your scalpel, gently lift each scale where the extrusion has occurred and wipe a small amount of an antibiotic cream available in your local area for veterinary use.
Figure 9. Once you applied the antibiotic ointment cream, spray the treated area with Terraco Spray ( Oxytracycline Hydrochloride and Hydrocortisone by Pfizer). This will create a layer over the antibiotic cream and will ensure that the cream stays intact even after the fish is returned to the water.
Figure 10. Before completing your work check to see you have not missed any, and there are no more raised scales that require treatment.
Figure 11. Put the fish back in a smaller recovery container with water. Of course, once the anesthetic wears off, double check the fish and your work prior to releasing it to the pond.
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