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Thread: Discus quarantine and plague

  1. #1
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    Dr.Ganesan

    Default Discus quarantine and plague

    I saw healthy quarantined discus in 2 different fish stores. My question is if discus are bought from these 2 stores and kept together in one aquarium is there any chance of cross infection. Some say that some discus are immune to certain sickness which they carry but may affect other discus from different source.

  2. #2
    Registered Member smsimcik's Avatar
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    Steve

    Default Re: Discus quarantine and plague

    Yes.

  3. #3
    Silver Member Iminit's Avatar
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    Default Re: Discus quarantine and plague

    Yes that is true. I’m finding most of the Asian discus seem to be immune but my Germans weren’t. When they got sick slowly the whole tank got sick. Best to quarantine all new discus. The 2 that brought in the problem never got sick. I’ve got a thread running here about it.

  4. #4
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    Default Re: Discus quarantine and plague

    Thanks I think just as humans are discus also from each continent will be immune to some diseases while some will die

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    Registered Member GeauxDiscus's Avatar
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    Default Re: Discus quarantine and plague

    If you can quarantine the two sets separately, then you should. When they have both been healthy for the quarantine period (a topic of debate I won't open up here), take a hero fish from the larger (or better) set and introduce it into the smaller (or lesser) set of fish, and let them stay together for a second quarantine period. I know it sucks, but that's fish.
    -Shane

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  6. #6
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    Default Re: Discus quarantine and plague

    Interesting a good point.

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    Default Re: Discus quarantine and plague

    Quote Originally Posted by GeauxDiscus View Post
    If you can quarantine the two sets separately, then you should. When they have both been healthy for the quarantine period (a topic of debate I won't open up here), take a hero fish from the larger (or better) set and introduce it into the smaller (or lesser) set of fish, and let them stay together for a second quarantine period. I know it sucks, but that's fish.
    In life, there is often a best way. You might get away from veering from what most people see as the right way.
    Though you might get away with mixing discus from Germany and Asia, it is painful to watch the death march of the fish when you do this.
    I've learned the hard way.

  8. #8
    Registered Member GeauxDiscus's Avatar
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    Shane Sims

    Default Re: Discus quarantine and plague

    The OP said different sources - not necessarily Germans vs. Asians, although I've kept Stendker discus with Asians for several years with no problems before. I know there are many opinions both ways on that topic.
    -Shane

    Discus do it bare bottom.

  9. #9
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    Default Re: Discus quarantine and plague

    This Plague is a virus that stays with the fish their entire life. Anytime when these fish are contiguous it will spread to the other non Plague either by water or air. Best to have a quarantine area away from non plague fish. Once the Discus are no longer contiguous they can be mix, but watch for any relapses. Beware its not over sometimes after quarantine, I seen this before the breeder will release the Discus into his hatchery only to retrigger the Plague again .

    Cliff
    Last edited by CliffsDiscus; 08-11-2022 at 02:17 PM.

  10. #10
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    Don Speers

    Default Re: Discus quarantine and plague

    The goal of quarantine is to identify any sick fish that are pre-symptomatic. Once that period has passed then the risk is exposure of your established fish to something they are non-immune to that the new fish are carrying without symptoms. The converse applies to the new fish as well so the most conservative approach is to have a display, quarantine, and third tank where a hero from your DT and a hero from your quarantine tank meet to see if both survive symptom free.

    As far as discus plague, it has been characterized as extremely highly infectious because in can become airborne and pass from one tank to the next without cross contamination, and once symptoms resolve on the relatively low % of fish that do survive, those fish are lifetime carriers, who can manifest recurrent symptoms any time in the future with stress or age. If that is in fact true, then to my mind the appropriate action would be to compassionately euthanize those fish and immediately sterilize the tank, or maintain a survivors plague tank (kind of like a leper colony for fish) as far from any other tanks as I could arrange. I have no experience with this and am very curious if others have "cured" fish with the plague and then introduced new fish to that tank with success.

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