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  1. #1
    Join Date
    Apr 2012
    Location
    Arlee MT USA
    Posts
    548

    Default DWV.....need advice please.

    One of my hives is showing signs of a worsening DWV problem. I first noticed it a couple months ago, at that time it was only seeing one or two effected bees per hour. Now I've seeing ten in about 30 minutes.

    I want to stay treatment free. All my hives are natural cell foundationless. This hive is a little over one year old.

    Question is, what, if anything should I do.

    Order a new queen? Let it the hive die? Destroy the hive?

    If I was just going to make up a plan on my own I think It would be to remove the old queen, Destroy any queen cells that are formed and then add two frames of eggs from my strongest hive, thus re-queening and providing a brood break to cut down the mite population. Is this a sound theory?

    One problem is that I am leaving for Alaska in a week and won't be back until the first week of july. I have someone who could refill feeders while I am gone but that is about it. Can I afford to wait until then? Weather is as good as it ever gets and everything is in bloom. Hive still seems strong but is behind compared to my others.

  2. #2
    Join Date
    May 2010
    Location
    Knox Co, Ohio, USA
    Posts
    830

    Default Re: DWV.....need advice please.

    I'm not sure what all your options are. One would be to create a break in the brood cycle. You could split the hive into nucs with each have a frame with eggs. You should have new queens just starting to lay when you return.

    Or, you could remove the queen and let the hive raise a new queen.

    I don't think just replacing the queen would be enough right now, assuming you have a hive mite load.

    Tom

  3. #3
    Join Date
    May 2009
    Location
    Flora,IL
    Posts
    2,644

    Default Re: DWV.....need advice please.

    Quote Originally Posted by TWall View Post
    I'm not sure what all your options are. One would be to create a break in the brood cycle. You could split the hive into nucs with each have a frame with eggs. You should have new queens just starting to lay when you return.

    Or, you could remove the queen and let the hive raise a new queen.

    I don't think just replacing the queen would be enough right now, assuming you have a hive mite load.

    Tom
    Thats about the only choice to remain treatment free. by the time you see DWV you have a huge problem....

  4. #4
    Join Date
    Feb 2010
    Location
    New York City, NY
    Posts
    4,317

    Default Re: DWV.....need advice please.

    I split a hive with similar problems into nucs.

    The issue is that while you can see symptoms of DWV, other viruses can become activated as well and are less apparent until you start splitting.

    Only 1 out of about 8 splits resulted in a nuc that looked like it had a resistant queen (they looked normal). The rest looked off-color, etc. .

    The resulting colony ended up starving with my other one, but the theory is sound.

    Split into a challenge to get a resistant colony. It's part trans-generational immune priming, part genetics.

  5. #5
    Join Date
    Apr 2012
    Location
    Arlee MT USA
    Posts
    548

    Default Re: DWV.....need advice please.

    Interesting. Well, I don't have any nucs on hand and probably don't have time to make any before I have to leave, but I could do four walk away style splits pretty easily and since each split would have a full medium of resources and the main flow is still two months away any viable hives I got out of it would have a decent chance of overwintering.

  6. #6
    Join Date
    Feb 2010
    Location
    New York City, NY
    Posts
    4,317

    Default Re: DWV.....need advice please.

    There's also the attenuated mites/virus hypothesis.
    It takes an average of 3 seasons to get attenuated mites/viruses (DWV).
    So, if you can get them to their 3rd season, you have a shot.

  7. #7
    Join Date
    Dec 2009
    Location
    Blacksburg, VA
    Posts
    440

    Default Re: DWV.....need advice please.

    Brood break and let them raise a new queen. When you get back, you should have a mated queen in a week or so. If the new queen doesn't get mated, install a mated queen.

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