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Best way to get rid off chalk brood is to change the yard genome to resistant. You may say what ever but it is so. Just practical advice. Do what ever you like.
I am close to the end of basic course and have bought the nuc that was produced earlier on, to take home. The tutor, second year in beekeeping, now teaching, seemed successful, not knowledgeable, and bees fit and healthy
To my (not experienced) mind, the bees were tightly packed in the nuc for too long.
I transferred the frames to my hive and it is to remain at association for four more weeks.
Problem, on checking for varroa, I discovered several pieces of chalk brood and am now very concerned.
Alarm bells should have rung weeks ago when I realised tutor was cleaning varroa tray off before students arrived in Apiary and all appeared well but one hour later I had discovered chalk brood on tray.
Finman, among others, I set much store by your ramblings! The nucleus was £160 cash of course.
I am now thinking I should not bring this hive home as according to what I have read here it could spread chalk brood prone bees through mating with my other hives.
Am I correct in being concerned to bring the hive home and risk infecting my other colonies?
Additionally, the teaching Apiary with 12 colonies each with two nucs apiece, has had:
Two colonies of drone laying Queens
One nuc (the sister of my nuc) turned drone layer
Two colonies die due to wax moth invasion
The four Nucs derived from those colonies also died from wax moth invasion.
The two colonies (sisters) from whence my nuc came, have chalk brood too.
That's over twenty-five per cent of the teaching hives with problems, I've just realised!
I'm being told chalk brood isn't a problem everybody has it and it doesn't cause any real problems, hmm.
Advice please but I think it may be best to leave my £160 nuc, now building to hive, at the Apiary.
Thanks in anticipation.