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This link will show you a Throug hive's

in Nowegian size

http://www.biavl.dk/index.php?option=com_docman&task=doc_download&gid=56&Itemid=89

and this one in German standard
...

The polyurethane hives are said to be of better quality. Major advantage is that painting isn't needed, and that they have a smoother inside, which would make cleaning easyer. They are also said to...

Not yet. But I'm planning to buy them these winter - the ones from the finnish supplier that is.

A friend of mine bought some used ones last year and they work very well. The inside has to be...

As far as I know, bees start chewing down the hive bodys somewhere around 90 kg pr cubic meter.

My newest hives are from Finland, seen in their catalog p 14 on www.paradisehoney.fi. They come in 4...

The styrofoam-hives used here has a density of 100kg pr. cubic meter. The durability ar pretty high, some of mine are more than 20 years old (bought them used).

Their "natural enemies" is wax...

The "R-value" is insulation, or?

I use styrofoam/polystyrene hives and som wooden hives. Most commercial beekeepers here in the northern part of Europe use styrofoam - They are light and longlived.

Don't know if they are that great as hives. For my country i would guess, that they are a little hot in the sommer at condensating at wintertime - but that's just a gues.

The french company Nicot makes plastic hives too. www.nicotplast.com

I have only tried their top feeder, but for that purpose the equipment was good and rather high quality.

Heating frames with capped brood (no bees - and open brood) can kill varroa in the cells as they are a bit more sensitive to increased temperatures than bee brood.
You need a incubator of some sort....

The cover is always in use.
Condensation can occur but as the lids is made of polystyrene (as the boxes)they are well insulated. Many poly-hive types has a ventilated lid/cover and slotted...

RonS and Riki got it quite right...
The plastic sheets are used as inner cover in poly-hives. I think the main purpose is to keep the bees from propolising the lid hard to supers/brood boxes. ...

Some of you might find the varroa-articles on this site interesting.
Based on this research the majority of danish beekeepers (not only the hobby-folks)use formic acid, OA and drone brood removal.
...

All my boxes are glued from 2 or 3 boards, as the dimensions needed for hives are impossible to find here and even more impossible to pay...
Use tounge and grove or some other "gluing profile" to...

I agree. Most beekeepers are unlikely to detect this, as we allways stops searching for the queen when we found her.....

[ January 06, 2007, 08:18 AM: Message edited by: thorbue ]

Trickling OA is (very) much safer to the beekeeper than spraying...

For trickling large numbers of hives adjustable syringes (used by farmers)is great. I use a 50 ml syringe that gives 1-5 ml pr....

My solar wax-melter is a former refrigerator from a shop (used for cola etc.). It has a glass front a temperature builds op rather well. It has to be fitted with a stainless steel tray that covers...

Hobie: You will find it in the summer 2006 newsletter...

With these mite counts in my hives in my country, I would say that treatment wit OA is nescesary as soon as possible.
Less than 1 mite dropping pr. 24 h and you surely are on the safe side - more...

Well.. If you put a swarm of AHB in his yard and get the result on video - I might give you two jars...

:D :D :D :D
----------
Thor Bue

db land:
I would expect H2 to break down during next season or winter...
Swarming (which would be natual if it's a strong colony) would reduce the varroa level in the swarms for the next winter -...

I normally use a high pressure washer to get rid of wax- and propolis-remains. Be careful not to damage the wood...

[ December 28, 2006, 04:01 AM: Message edited by: thorbue ]

Are these mite droppings "natural background" or the result of some treatment?

Reseach on IPMG from my contry is saying:
Varroa population = mite dropping (pr.24 hour) * 120

For wintering...

Well I thought, I was so clever with this one.... :cool:

It look as if I wasn't - and that this top wasn't either..... :D

[ December 27, 2006, 06:25 AM: Message edited by:...

Could it be former slatted bottom racks, that has been rebuild for the use as tops...? - just a guess...

[ December 27, 2006, 03:05 AM: Message edited by: thorbue ]

You has to disinfect before your equipment is safe.
Scorching works, but is unreliable as it doesn't get in to cracks and joints - and there are much better and safer ways.
I would dip in lye or a...