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Down to 28 colonies........ Still very happy with the season. Started with 30 frames of brood in the spring.

I lost 4 colonies to wet and cold. We had very strong winds and rain/snow and the feeder pails blew off and water got into the cluster. Cold and damp apparently do not mix with bees.

I could see no other reasons for the dead outs. Sad but understandable.

If I come through the winter with 20 I will be tickled to death.
 

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Sundance:

It has been cold and wet here and I just dicvoered my first dead out. How cold is it there?

I am really not sure as to why this colony died. I checked them the other day because I saw no bees flying and I opened the lid and saw no bees looking at me so I dugged deeper and I found the middle three frames of the top deep empty and the outer frames full of honey along with the majority of the bottom frames in the bottom deep. I did find bees clusterd in the middle of the top box.

I did find two queen cells too that were unopened.

It is weird... I know I have stressed them out with the move and all. I thought they were going into winter with good stores, Maybe the queen died while moving.

I need to check for AFB and see if that was the cause or not.
 

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It has gotten down to 0 F here already. Overall the fall has been fairly nice. Just some very nasty shots of weather.

As to the frames with stores....... I inspected them for any signs of a cause of death other than wet/cold. After I was comfortable I placed the frames of stores into colonies with less stores.

My bees fly at 40 F (and a bit less). They are NWC and Minnesota Hygenic.

If the frames have pollen, all the better.

If they have some brood..... Make sure no AFB. If no AFB feed them back. The bees will clear out the dead.
 

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I would say dribble OA only in late summer when bees can clean each other fast enough.

35grams oxalic acid x 1000grams warm water (1liter) x 1000grams sugar (1kg)
Dribble with a syringe 35ml on a normal and up to 50ml on a strong hive.

Don’t kip leftover solution for the next treatment always use fresh mixture. When mixing OA and sugar it starts a chemical reaction and after a while (week or so depends on temperatures) the liquid is POISON to bees.

With acid in their stomach bees have a much shorter live, that’s why I never dribble OA on winter bees. IMO it’s too cold now for the liquid acid.
 

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years back one of the ways we would kill (reduce numbers) hives before we returned to texas from western nd was to simply wait for a very cold day and pull the lid. a good wind along with freezing temperatures is not quite as quick as gas but it accomplished the same thing...
 
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