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Thread: Negative Nosema

  1. #1
    Join Date
    Sep 2009
    Dexter, Maine

    Default Negative Nosema

    So I have a yard that was sampled for mites, varroa and tracheal) as well as Nosema. My worse yard had a range of 50k-150k/bee, my best yards were Negative for Nosema, and had sub 8 mite counts. Wanted some input on weather to Fum-b the yard that is NEG. Any reason, either way??

    BTW, my inspector seemed impressed.

  2. #2
    Join Date
    Dec 2005
    Brasher Falls, NY, USA

    Default Re: Negative Nosema

    I would either go ahead and use the Fumidil-b or sample the yard again. I had two yards sampled last year and one came back "No Diseaes Found" and the other came back 2.5million spores per bee. They were three miles apart and both had been on the same semi, in the same holding yards and both had been in apple pollination. I am suspicious.

    This year, two yards sampled, both negative for nosema.

    I don't use fumadil, but if I were using it, I would use it on all of my colonies. Especially if some showed nosema and some didn't.
    Mark Berninghausen


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