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Hi. This is my 3rd year with bees and so far I haven't encountered anything other than very minor problems with mites. However, I have one hive that came through winter very weak. Almost didn't make it. I noticed two weeks that some of the brood (larva and pupa were dying in the cells) the dead larva/pupa look to me like they almost rotted in the the cell. They kept they shape are not dry, and are brownish to black.

At first I thought maybe some brood died over a cold winter night because the low population didn't have enough to keep warm, but now that I've been checking I noticed that same problem is happening on maybe 10-16 cells on several frames.

There is a queen, see is laying and all the other brood looks healthy color of larva, cappings, etc... The problem initally started on frame 5 and in two weeks time they have cleaned it up, but just today I noticed the probelm on frames 3 and 4.

Anybody think they know what it is by my description. How do I treat it? Luckily I moved this hive about 1 1/2 miles away to a friends house about two weeks ago so if it is a disease it won't and hasn't as of last week been present in my other hives.

Please help
 

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Any smell? Were the brood capped? Where are the brood cells located (top box, bottom box, top frame bottom frame, etc?) Where's the hive located (shade, sun, % in between)? Photo's (really close up) would definately help as well.
 

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Pictures speak a thousand words, lol.

Sounds like the hive is weak and is just creeping along. It doesn't sound like the hive is going to be very productive. Did the hive build up well and is strong enough to make a honey surplus. If not you may want to think about requeening. Many times brood problems like the one you describe are queen related. Of course I don't know exactly what you are dealing with without seeing some good pictures.
 

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Discussion Starter #4
Any smell? Were the brood capped? Where are the brood cells located (top box, bottom box, top frame bottom frame, etc?) Where's the hive located (shade, sun, % in between)? Photo's (really close up) would definately help as well.
Some of the brood were capped some weren't. The cells that were capped don't look sunken in, the majority of the cells that were affected were scattered across the upper middle of the frame. The hive is located in full sun. I couldn't smell anything. I'll try to get some photos.
 

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Look at descriptions and pictures on the internet I think the disease might be sacbrood because the dead larva/pupa are watery, not stringy and ropey. Are they any other ways I can identify between the foulbrood and sacbrood
 
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