>One beekeeper reports a decent

> spore kill with a 8 hour treatment. He said he does not understand the
> reason behind needing 24 hours. He said once the comb has reached the 120
> F.
> the spores are dead.
> What do the list say about  his hypothesis?
>

Good question, since little work has been done on the treatment of N ceranae
spores (see my article Nosema Twins 5).  I recently received a note that
ceranae spores may lose viability more quickly than N apis.  A trial is
planned.

Randy Oliver

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