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Discussion Starter #1
I have a Nuc with a Russian hybred queen. This is my first time with a Russian queen. I just looked into the hive and I found her, and there is eggs and larva, but no new capped brood. There is emerging capped brood from a previous cycle, but it looks like she took a break from laying for maybe a week, OR something else is happening that I don't understand.

I have read that Russians queen operate a little differently than Italian's but would this be a normal behavior for a Russian queen?
 

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Aylett, VA 10-frame double deep Langstroth
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This is normal for our area of the country at this time of year, especially if you are not feeding them. I have commented about this recently in other posts. You want to make sure the larvae are making it to capped stage, so mark and date a frame of eggs and pull it in 9 days to see. Pollen is a little scarce right now too.
 

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Discussion Starter #3
This is normal for our area of the country at this time of year, especially if you are not feeding them. I have commented about this recently in other posts. You want to make sure the larvae are making it to capped stage, so mark and date a frame of eggs and pull it in 9 days to see. Pollen is a little scarce right now too.
I am feeding. I don't see the workers pulling larva out, so I thought it was normal. If I had to guess, I would think I should see capping in a few days, so we will see.
 

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Discussion Starter #4 (Edited)
This is normal for our area of the country at this time of year, especially if you are not feeding them. I have commented about this recently in other posts. You want to make sure the larvae are making it to capped stage, so mark and date a frame of eggs and pull it in 9 days to see. Pollen is a little scarce right now too.
I did exactly what you suggested and no capped brood. I have Another Russian hive about 7 miles away. It is not having this problem. Do you think its a location issue?

Edit: Interestingly, I have a second Russian hive about 3 feet away and it has capped brood. I wouldn't describe it as jammed with brood, it has - frames about 1/3 full each. I think I am going to move them tomorrow and see what happens
 

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Aylett, VA 10-frame double deep Langstroth
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Try to get some pictures of the frames and developing larvae. Eggs and larvae on the 17th but they do not make it to capped stage? Could be a serious problem.
 

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Discussion Starter #6 (Edited)
Try to get some pictures of the frames and developing larvae. Eggs and larvae on the 17th but they do not make it to capped stage? Could be a serious problem.
Would you suggest NOT putting them in with my other hives that are all doing well?

I think I will try something different. I am going to cage the queen for a week. I might even take her out of the hive to make the hive hopelessly queenless. Then reintroduce her. Thoughts?
 

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Aylett, VA 10-frame double deep Langstroth
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Without any other information to go on, prudence would dictate treating this hive as if it has EFB and avoid any possible cross contamination with your other bees and hives. Pictures will help diagnose the actual problem, but failure of the brood to live long enough to be capped is a disturbing problem and you have already ruled out lack of food. Maybe Squarepeg will jump in and help. At a minimum, I would try to find an EFB test kit, about $14, and perform the test.
 

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Discussion Starter #8
Without any other information to go on, prudence would dictate treating this hive as if it has EFB and avoid any possible cross contamination with your other bees and hives. Pictures will help diagnose the actual problem, but failure of the brood to live long enough to be capped is a disturbing problem and you have already ruled out lack of food. Maybe Squarepeg will jump in and help. At a minimum, I would try to find an EFB test kit, about $14, and perform the test.
I understand lack of information. I don't think it's AFB, it doesn't smell and brood is not slimy, but I have never seen AFB before. I will spend the money!

As I was considering what to do with these hives, I recalled that these two Nuc's received 5 frames each from a laying worker hive, just the frames, no bee's. since they are acting like bee's act when they have a laying worker hive, could this be a contributing factor?
 

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Aylett, VA 10-frame double deep Langstroth
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EFB and AFB are distinctly different diseases and manifest themselves differently. My concern is for EFB based on the reported data. Laying worker does not explain a lack of capped brood when you have eggs being produced. You would have capped drones cells at a minimum. Look to see if you can spot any yellow or twisted larvae in the cells. I am no expert at brood diseases, but I do know how to tell if something is amiss. Many brood problems are stress related and often work themselves out once the stress is removed. That is why feeding is usually the first step for me.
 

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Discussion Starter #10
EFB and AFB are distinctly different diseases and manifest themselves differently. My concern is for EFB based on the reported data. Laying worker does not explain a lack of capped brood when you have eggs being produced. You would have capped drones cells at a minimum. Look to see if you can spot any yellow or twisted larvae in the cells. I am no expert at brood diseases, but I do know how to tell if something is amiss. Many brood problems are stress related and often work themselves out once the stress is removed. That is why feeding is usually the first step for me.
Maybe the first step is for the bee keeper to stay out. I feel like I am checking it every day. I bought a AFB test kit. I will purchase a EFB one tomorrow and add it to the order
 

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Whatever the problem it is not AFB. Not even any point using your AFB test kit. It could very well be EFB, and as per previous advice, recommend testing for EFB with a test kit. You must test from larva that show what appears to be EFB symptoms, not a healthy larva.
 

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Discussion Starter #12
Whatever the problem it is not AFB. Not even any point using your AFB test kit. It could very well be EFB, and as per previous advice, recommend testing for EFB with a test kit. You must test from larva that show what appears to be EFB symptoms, not a healthy larva.
OK, will do and advise! I just didn't read very well. Previous advice was well taken, again bee keeper error!
 

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Agreed. I said it's not AFB cos the OP said there are no slimy larvae. But some of those caps look a bit suspect. All the same, I couldn't see any obvious AFB in open cells.
 

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No background so I do not know. Looks like, back in my more foolish days I would give a split a generous amount of capped brood to give them a boost. Killed a lot of brood that they would be very slow to clean out, really cut down on the laying but never totally stopped.
 

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Discussion Starter #17
No background so I do not know. Looks like, back in my more foolish days I would give a split a generous amount of capped brood to give them a boost. Killed a lot of brood that they would be very slow to clean out, really cut down on the laying but never totally stopped.
I'm sorry, I am giving as much information that I can and think is appropriate. I have never seen AFB, so I don't know what to look for. As I type this, I am doing the Holst Milk test. The larva I dug out were nice and white. I took about 10 of them. I will know in 20-30 Min if there is a reaction.
 

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Discussion Starter #18
I'm sorry, I am giving as much information that I can and think is appropriate. I have never seen AFB, so I don't know what to look for. As I type this, I am doing the Holst Milk test. The larva I dug out were nice and white. I took about 10 of them. I will know in 20-30 Min if there is a reaction.
OK, 1/2 hour gone by and no change is the color of the test milk from the control milk. No AFB. So the search for answers continues I suppose
 

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No criticism intended, you've given all the internet can convey!
 

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Aylett, VA 10-frame double deep Langstroth
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American Foulbrood was never a contender. European Foulbrood may be. I am confused as to why you keep going back to AFB. Do you have a picture of any larvae? Any idea on which day in their development they disappear?
 
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