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Date: | Mon, 23 Jan 1995 08:34:00 -0700 |
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The choice of a national AFB strategy is certainly an interesting
debate, and may depend on "environmental" factors such as beekeeping
practices and traditions as much as narrow biological considerations.
I can add a note about one of Gordon's comments re irradiated AFB.
I was looking at some Gamma irradiated AFB combs which had had a package
installed earlier. The treatment worked: the colonies were healthy.
However, there was still scale left in the cells (although the cleaner
bees were getting around to chipping away at some of the scales, and
the scales looked a little different, since the cleaners had started to
polish them in to the rest of the cell wall). I brought a toothpick
sample to the lab and made a standard water suspension.
The spores appeared identical to those from viable AFB scales.
Perhaps not surprising, since the "tumbling", Brownian motion results
from the spores' size, not motility, but interesting.
Kerry Clark, Apiculture Specialist
B.C. Ministry of Agriculture
1201 103 Ave
Dawson Creek B.C.
V1G 4J2 CANADA Tel (604) 784-2225 fax (604) 784-2299
INTERNET [log in to unmask]
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