> The next questions in such a case where infection clearly comes from
outside, are
> 1.) what amount of breakdown was seen in the neighbouring 'clean' hives
and 2.)what were the affected beekeepers able to do to keep from spreading
the > acquired infection through their own hives.

Know of one case, not the one I mentioned previously, of a beekeeper having
a 70% infection rate.  I had a case of 20 hives on one site with 100%
infection rate.

In my case as I had a barrier system in place it was quite easy to keep the
infection in place.  I had picked it up early so did not spread it to other
apiaries.  Killed off the hives and irradiated the gear that I wanted to
salvage.

For the other beekeeper he destroyed the hives, irradiated the gear kept and
for the remaining hives kept them apart from his other hives.  There were a
few more that came down with AFB and again destruction and irradiation.
After a year no more showed up.  This is typical of how Australian
beekeepers, except for Tasmanians, deal with AFB and it works.

Trevor Weatherhead
Australia
 

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