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Type: Posts; User: Juhani Lunden

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  1. Replies
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    Re: Bees Only Heat the Cluster, Not the Hive?

    They had a top entrance?

    I have overwintered hives with no insulations for 20 years, look at the picture in post 140. No top entrances, roof is well insulating polyurethane sheet. I have often...
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    Re: Bees Only Heat the Cluster, Not the Hive?

    Are you overwintering hives in Canada with closed bottom entrances? How big top entrance?

    In the Steppler Honefarm pictures I did not notice any top entrances.
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    Re: Bees Only Heat the Cluster, Not the Hive?

    14291

    Bees have instincts to keep cluster core warm; 34C when rearing brood or 20C (?) without brood. Cluster starts forming when temperature drops below 14C. All bees must keep their thorax above...
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    Re: Bees Only Heat the Cluster, Not the Hive?

    Well said.

    Trouble with too well insulated hives is that in mild winters and strong hives they can become too warm and bees move too much.

    In poorly insulated hives this never happens and bees...
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    Re: Natural Annual Brood Cycle

    Friedrich Ruttner writes in "Naturgeschichte der Honigbienen" p. 208 that in northern Africa overwintering becomes over-summering because of total absence of flowers for four up to five months.
    ...
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    Re: Drone congregation Area

    I have not seen matings in the apiary but have seen drones following a ripe queencell in my hand.
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    Re: Drone congregation Area

    I wanted to see such study too.

    This was discussed in one another thread and such a study never came up.
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    Re: Could winter bees already be here?

    Your queen is all right, hive looking healthy, I would say they are typical (Finnish) Italian mutts, which can shut their brood production quite early, in August, even late July, and they still make...
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    Re: Exporting queens outside the USA

    Bee import from USA into EU has been forbidden for a long time because of Kashmir virus.
  10. Re: Frustrated with VSH and looking for suggestions

    Can´t say, I haven´t noticed connection between finding dead pupa and troubles. This particular hive was (and still is) one of my strongest ones.

    14150

    Picture taken 28th May, willow starts...
  11. Re: Frustrated with VSH and looking for suggestions

    Good points Daniel Y.

    Here is a picture of removed pupae.14147

    No tests done, just left without treatments.
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    Re: Natural Annual Brood Cycle

    Natural brood break for 2,5 months in England? I don´t believe it.
  13. Re: Frustrated with VSH and looking for suggestions

    The mites which are reproducing are specially interesting and their relation (in numbers) to non reproducers. Finally, as Arista replied, happens what we TF beekeepers have been saying for years (my...
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    Re: Could winter bees already be here?

    Winter bees have body tissue called "fat body" which consists of fat and proteins. It is around all body organs, whitish stuff, which can well be seen in microscope. Bees start brood rearing with...
  15. Re: Frustrated with VSH and looking for suggestions

    For instance here:
    http://perso.fundp.ac.be/~jvandyck/homage/elver/pedgr/ped_RL_2014.html

    In the middle there is a text: "AristaBeeResearch 1 drone insemination-combination Breeder Nr …"

    There...
  16. Re: Frustrated with VSH and looking for suggestions

    Can you please tell us more precisely what are the pedigrees of these 6 different breeders.
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    Re: TF and AFB, part deux

    Yep, lots of boxes and weak hive, and all the colonies in 2 miles distance come and get what is left, that´s what it looks like.
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    Re: TF and AFB, part deux

    It has been interesting following this thread.

    Specially remembering all those from USA homecoming (Apimondia etc.) Finnish beekeepers who say: " You never believe what we saw! They feed...
  19. Re: Frustrated with VSH and looking for suggestions

    Lburou was referring to this work in Europe with VSH, they did 1 drone inseminations.
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    Re: TF and AFB, part deux

    What do you mean with this? Please tell some example.

    I need to have resistance for AFB, because according to studies 30% of the Finnish bee yards are infected.
  21. Re: Frustrated with VSH and looking for suggestions

    In Europe there is a lot going on with VSH bees
    https://www.facebook.com/aristabeeresearch?ref=ts&fref=ts


    They seem to think more highly about them than some in US...
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    Re: TF and AFB, part deux

    I think if somebody writes something in Facebook it is not considered as science. I´m not in FB, but what I heard they speak there mainly nonsence...:D
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    Re: TF and AFB, part deux

    My point was that epigenetic factor are for sure having some impact. If Dee Luzby is leaving frames less than 6 AFB infected cells in the hive (and Solomon has maybe somewhat...
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    Re: TF and AFB, part deux

    http://rspb.royalsocietypublishing.org/content/281/1785/20140454
  25. Re: Trans-generational immune priming in honeybees

    Ole hyvä!

    Epigenetic changes are likely to happen against varroa too, as Randy Oliver wrote:
    "We have watched this process happen after the recent introductions of some now common parasites–...
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