>Is Nosema ceranae spread by dysentery (in which case the use of acetic
> acid
> or similar on equipment before re-use is probably essential) or by
> trophyllaxis which would make the use of acetic acid irrelevant (except as
> part of
> normal good practice against N apis etc). Or by both?
Apparently not by dysentery. Is spread by infected pollen. But
transmission is poorly understood.
>Considering that some on the list keep bees in areas where the temperatures
get well above 100 degrees F, I wonder if at certain times of year hives are
sterilized of viable nosema spores
Apparently, yes. It is a time/temperature curve. 120F does in it a few
hours. This is well below comb melting temp. I've been imploring an
associate to work out the curve.
Randy Oliver
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