What Is Bald Brood - Identify and Manage Bald Brood
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- čas přidán 2. 09. 2020
- What Is Bald Brood - Identify and Manage Bald Brood
In this video I show you how to identify and manage bald brood.
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I honestly believe it is a hygenic behavior to mites... I have it in a ferrel swarm and they are building up slower but they are getting stronger
I have never known Bald brood before varroa days. This seem to proliferate in Hygienic bees and its one of the ways bees are developing to deal with varroa see VIta resurch on it. FBO do not really know whats it all about but the colnies that have the syndrom do not seem to have a varroa problem or DW.
Interesting point John. Wonder if it's something that could be shown prior to infestation (to a high level) or as a defence mechanism
Another great lesson - thanks Laurence.
Great vid! Thanks for posting. This is exactly what I have going on with one of my hives. Been wondering what it was. Mite count was a bit high a couple months ago. I've since added oxcylic acid to hive and am watching for an improvement.
Very good quality video, one of the best. Thank you
Thanks for another great video.
I know Roger Patterson puts bald brood down to wax moth, but I had a problem a couple of years ago. The SBI visited and put the problem down to a high varroa load (it was late July) and sure enough after treatment they over-wintered OK and I've since re-queened. So I'm with you.
Ive seen the link to wax moth and while I dont dismiss it entirely, it doesnt expain spotty bald brood. I would expect to see consistent lines of brood above where the wax moth travels.
@@BlackMountainHoney i agree there should be a line of bald brood not just 5 or 6 here and 2 or 3 here
Has a kind of barnacles on a pebble resenblance to it .
I've never seen one that bad larvae is obviously giving off some sort of stress chemical causing the bees to uncap wanting to help them. But usually you only see two or three on a frame which is not a big problem but I agree with you there that colony needs help. Thanks for showing 5 Star as usual.
Cheers Mart. Have successfully requeened and now this colony is looking perfect in terms of brood. Will follow up later in the year with an update video.
Great v do, Can you give me reson why bald brood is so common when the colony recovering from sac brood disese. is it make any sense for you?
Uhh, bald brood may not always be a disease but a hygienic behavior usually in response to mites or wax moth larvae. You may be actually culling highly desirable traits. See Corey Stevens for more. Ask a mentor to take a look first
Hi at this time of year would it not be a problem for the queen to successfully mate once shes emerged?
100%. This video was filmed in June. If you identify this late in the year, best to let them overwinter as they are and requeen in the spring.
@@BlackMountainHoney thankyou, thought it a bit weird this time of year. love your videos keep them coming🍯🐝
@@BlackMountainHoney I just came across this video, I found my first frame of baldbrood about 4 months ago & likewise too late to requeen in Vic/Aus, if they survive the winter I'll do so in spring. The wax ring around the cell suggests to me that it was once capped or almost capped & then peeled / chewed back for hygiene reasons, not necessarily varroa as we don't have that problem here yet. Perhaps the bees are not sensing enough of whatever it is that tells them the pupa is alive so they open the cell?
Thanks for the video...Ive been enjoying all your posts. However, I'd be cautious about saying we "definitely know" this is a genetic trait just because they didn't respond to feeding. Although genetics likely contribute to hygienic behavior, unless there is real data to show that bald brood is due to genetics, definitive statements should be avoided. I see this when varroa is out of control in a hive (one I recently saw had 24% mite load! Not my hive!). Therefore, I would not expect feeding them to solve the problem...or swapping for a new queen either. I'm curious how they responded to mite control...of course, if you replaced the queen AND treated for mites, then you won't be able to attribute a recovery to either of those management decisions.
Isn't bald brood caused by wax moths?
It can also be caused by Wax moth. When you see bald brood in consecutive cells in a line, it's generally Wax moth larvae related
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