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  1. #1

    gill problem please help

    Can someone give me some advice regarding the gill. This fish didn't look right the past 2 days. she wasn't very active, so I decide to bowl her up and look. She look fine. And I scrape but I didn't see any parasite. Then I open up the gill look. like the gill is a little damage. I got a piece of gill and look under the microscope but no fluke. I bowl up a 2 more koi and it seem like it have the same gill problem. is there a way to treat this? I change water 10-15% per day.


    ph 7.8
    ammonia .25
    nitrite 0
    nitrate 0


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    Last edited by retin78; 26-06-2019 at 02:47 AM.

  2. #2
    fish just died today. 320 view and no one can advise anything. for anyone that's still reading. Please advise others to used chloramine T. It can help against bacterial gill disease. 1

  3. #3
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    I would submit a dead fish to the lab to check for KHV. What country are you in?

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    Senior Member Rank = Supreme Champion RS2OOO's Avatar
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    Quote Originally Posted by retin78 View Post
    fish just died today. 320 view and no one can advise anything. for anyone that's still reading. Please advise others to used chloramine T. It can help against bacterial gill disease. 1
    I think many people looked at the pictures, but I for one could not advise because I've not seen this before and there's no obvious decay, discolouration or white patches. I suspect the same applies to most people who looked at your pictures.

    How did you come to diagnose it as bacterial gill disease?

    In addition to KHV another consideration could be Koi Sleepy Disease / Sleeping Sickness but I don't know enough about specific gill / dermatological symptoms to comment further.

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  6. #5
    Gill shouldn' be white. Should be all red unless the gill are damage. If you look at it the gill has white strand. I took a 5 piece of gills but couldn't find any parasite.

    Quote Originally Posted by RS2OOO View Post
    I think many people looked at the pictures, but I for one could not advise because I've not seen this before and there's no obvious decay, discolouration or white patches. I suspect the same applies to most people who looked at your pictures.

    How did you come to diagnose it as bacterial gill disease?

    In addition to KHV another consideration could be Koi Sleepy Disease / Sleeping Sickness but I don't know enough about specific gill / dermatological symptoms to comment further.
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