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On the farm when we change chemicals in a spray
 tank we use ammonia to clean the tank.
Just want to endorse what has already been said about bees' eyesight with regard to glass and translucent plastic structures, but there are other issues which are relevant here.

The foraging range of a colony of bees extends to several miles in all directions, and if you run the numbers that's thousands of acres of land.  To support just one colony of bees - even a small one - would require a greenhouse of a truly massive size, at a guess maybe 3 or 4 hundred feet square, packed to the gunnels with nectar-bearing plants.  Apart from the enormous capital expenditure involved, the heating and lighting running costs of such an enterprise really don't bear thinking about.

And then there are the drones to consider.  These characters spend each day during the season flying around at altitudes of (typically) 100 to 200 feet at congregation areas in the hope of mating with a passing virgin queen.  All mature colonies produce drones during the season and so if housed in a greenhouse they would simply spend all of their time hammering away at the glass roof trying to get out.  As indeed would any virgin queen wishing to get herself mated.

You say that the object of the project would be to raise bees under sub-zero conditions within controlled-environment greenhouses ... all-in-all, I'd say that this idea presents as a non-starter.  Wish it were otherwise.  Sorry.

« Last post by cpekarek on Today at 02:49:18 PM »
I read somewhere the Varroa Mite was introduced to Cuba in 1996. I tend to think Cuba is not doing so well by 'going organic' at least when it comes to producing food. They use 30% of their land for agriculture, 20% of their population to produce food and still import 80-85% of their food. Without fertilizer and pesticides, crop production is greatly reduced. I'm all for organic but...

According to this article, they are using pesticides in Cuba. http://www.eurochile.cl/index.php/en/news/interviews/item/la-manera-de-hacer-apicultura-hoy-no-puede-seguir-siendo-la-misma-de-hace-50-anos   "Of paramount importance is the controlled use of pesticides to prevent the negative impact on these productive ecosystems, and specially the training received by beekeepers and foresters about it, because for us that work alliance allows us to understand better the importance and how to preserve the balance of the ecosystems."
« Last post by Acebird on Today at 02:14:08 PM »
Kind of an island-scale experimental trial of organic beekeeping, with what appears to be great results.

The big picture ... Europe using OA for 50 years and still battling mites.  Cuba not so much.  Cuba practicing organic farming without farm machines and not starving to death.  No limitation what so ever for using farm machines in this country but we would starve if it weren't for Monsanto.  Yeah let's build more walls so we can't learn anything.
Z-Dave - dunno what you did - but I can see them now ... even on my antiquated kit.  Thanks.

I really like this idea of using dry heat.  Up until now I've been using steam, and it's such a messy and long-winded procedure.  My plan now is to mount a heat gun inside a solar melter, so that the circulating air is re-heated as it keeps passing through the gun.
Clearly there'll be a need to control the air temperature when dong this, else there'll be a melt-down of the gun as well as the wax !  But it should shorten the process time considerably.

This is a great idea Z-Dave - wish I'd thought of it ...
If it was actually cold they would be clustered.  If you didn't break the cluster it wouldn't matter to them but what happens is the seal on the box gets broken and they can't fix it until it gets warm enough to break cluster.  Should you have to do this duct tape the seam until you get a warm day.
no didnt grind up the comb but all the dead bees sitting in the vac wont hurt it?
thanks for the help guys!!!!
Welcome to Beemaster.
I have read cases where others have found the same as what Michael said.
The only thing that I have heard working in a closed nursery is netting. I wonder if you put up netting on or under the glass/plastic if that would work.
Good luck.
REQUEENING & RAISING NEW QUEENS / Re: requeening with a different breed
« Last post by Dange on Today at 01:11:18 PM »
Thanks all, Glad you like it. I will try and post more pictures soon(ish).

I was having trouble getting the site to accept my pictures as attachments, so i just posted them on imgur. hence, they might not be visible in certain countries.

i'll try and see if i can fix this (maybe repost the pics)
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