As I Understand it, Fumidil B stops Nosema inside the bee, by dealing with
the protozoan, however spores are very likely to be left on the frames and
comb, and these spores are the source of further outbreaks of Nosema.
Sterilisation of the combs by fumigation with 80% acetic acid deals with the
spores, wax moths (both species and is also supposed to deal with E.F.B.
spores as well.
The Bailey Shift is a method of moving the bees onto clean comb and when
hatched out the old brood frames are sterilised.
Ruary
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