Reading an old book recently, I came across the term 'Addled Brood' which I have read before but sort of forgotten about as it's not a common term nowadays. However reading the book reminded me of a nuc this year which had some really rubbish brood in it which looked similar enough to EFB that I reached for a test-kit to check, with a sigh of relief afterwards. It's supposed to be caused by a duff queen - and shortly afterwards she duly disappeared.
Does anyone else see such a thing very often?
Does anyone else see such a thing very often?
May your bees read the same books as you do.