Hi Randy, Chris, Dave
> I changed my whole operation to open mesh floors more than thirty years
> ago and the incidence of chalk brood did decrease at that time,
I have had all my colonies on OMFs for 3-4 years - but still see some
chalkbrood. OMFs reduce mould on combs during the winter, but do not
eliminate chalkbrood. I am continuing to select for chalkbrood resistance
in my breeding programme.
Best wishes
Peter Edwards
beekeepers at stratford-upon-avon.freeserve.co.uk
www.stratford-upon-avon.freeserve.co.uk/
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