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Wed, 29 Dec 2010 06:48:59 -0800 |
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>
> > This has led me to ponder if the fumagilin made the difference. Do the
> bees raise the temperature to deal with nosema?
>
Larry, this is the sort of observation that has the potential to lead to
significant scientific discovery! Perhaps you could run a trial next winter
with a number of matched colonies--please ask someone to help you with a
protocol.
Re your question, that is exactly a hypothesis that I have proposed to all
the major nosema researchers. If a bee raises its body temperature to 100F
for a few days, it will kill all Nosema apis (but not necessarily N
ceranae). If the cluster does so, it will kill or inhibit varroa, tracheal
mite, chalkbrood, and small hive beetle.
Infection by N ceranae starves the flight muscles of the storage sugar
trehalose, but don't know where that would fit in.
Since heating is done by the vibration of the flight muscles, which should
be picked up by Jerry Bromenshenk's acoustic detector, Jerry may be able to
add to this.
Randy Oliver
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