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  1. #1
    Join Date
    Jul 2009
    Location
    Brightwater,Nelson,New Zealand
    Posts
    142

    Default commercial Bkeepers and varroa

    Quite often I read on here about varroa resistant bees and how you havn't treated in years etc, I'm wondering if that applies to commercial beekeepers and if it does I'm wondering how you could sustain the losses that you would have when letting the varroa have a free reign in the hives?
    We dont have resistant mites yet and can still use Bayvarol with really good effect, what do you use now?
    Thanks
    Kiwi

  2. #2
    Join Date
    Jan 2008
    Location
    Faulkner Manitoba, Canada
    Posts
    1,696

    Default Re: commercial Bkeepers and varroa

    I am not a big commercial producer. But, I use formic up to 2x a year (spring and fall) regularly. However, my first line of defense is nutrition and monitoring the hives regularly. Even as a commercial producer it is easy to monitor the hives. It is recommended by our university to inspect at least 15% in each yard, of varying strengths several times a year.
    I have to much invested, as does my banker to take the risk of not treating and loosing alot of hives in a year or two.
    If i owned everything outright i might consider trying it on a yard or two to see where it got me, making my decision from there.

  3. #3
    Join Date
    Oct 2009
    Location
    Plant City, Florida
    Posts
    175

    Default Re: commercial Bkeepers and varroa

    Buy Queens from breeders who dont treat, then only breed or split from survivors its a good way to start small
    Bob

  4. #4
    Join Date
    May 2008
    Location
    Concord, CA
    Posts
    4,077

    Default Re: commercial Bkeepers and varroa

    Hi Kiwi,
    You would probably have to import queens from a country thats had Varroa for 20+ years. That would be the fastest way, with lower losses. Someone in you're area is hopefully already importing good breeder resistant queens.
    Dan

  5. #5
    Join Date
    Oct 2007
    Location
    VENTURA, California, USA
    Posts
    3,604

    Default Re: commercial Bkeepers and varroa

    You might want to do some reading about your product.

    http://www.emea.europa.eu/pdfs/vet/mrls/046998en.pdf
    Please read section #13 about bees and residues in wax
    _____________________________________________
    Some more background on this group of chemicals:
    pyrethroid acaricides pyrethroid ester acaricides
    acrinathrin
    bifenthrin
    cyhalothrin
    cypermethrin
    alpha-cypermethrin
    fenpropathrin
    fenvalerate
    flucythrinate
    flumethrin
    fluvalinate
    tau-fluvalinate
    permethrin
    pyrethroid ether acaricides
    halfenprox

    Ernie
    Last edited by BEES4U; 12-27-2009 at 10:46 AM. Reason: BOLD PRINT
    Ernie
    My websitehttp://bees4u.com/

  6. #6
    Join Date
    Aug 2002
    Location
    Nehawka, Nebraska USA
    Posts
    45,313

    Default Re: commercial Bkeepers and varroa

    I'm not big enough to call myself commercial, but at the peak of the season I have 100 hives and 100 mating nucs. Wintering, right now, I have 100 hives. I do not treat at all and have not since 2003. Here are my results:
    http://www.bushfarms.com/beescerts.htm

    I actually did not treat at all for 30 of the last 35 years and only did out of desperation until I found natural cell size:
    http://www.bushfarms.com/beesnaturalcell.htm
    Michael Bush bushfarms.com/bees.htm "Everything works if you let it." ThePracticalBeekeeper.com 40y 200h 37yTF

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