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Date: | Mon, 8 Feb 2021 07:12:09 -0800 |
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>If AHB had been shown to have some unique mechanism of resistance
to varroa not found any other place it might be worth starting to
consider somehow "uncoupling" the good from the bad.
Alex, you are hardly the first person to propose investigating the
resistance mechanisms of AHB (or of African bees themselves) -- a number of
researchers have gone to great lengths over the years to do so. Be sure to
read Mike Allsop's doctoral dissertation. As pointed out by Jose, no one's
nailed down any particular unique mechanism. Dr. Stephen Martin suggests
that uncapping behavior (without necessarily removing the pupa) is a prime
factor.
Since there is currently free interchange of genetics between AHB and our
domestic stocks at around 30 degrees latitude in the U.S., there will be an
evolutionary pressure, due to fitness advantage, for any unmanaged
populations of honey bees above that latitude to incorporate certain
alleles from the AHB. This process will occur with or without our help,
and is one reason why I'm so interested in the unmanaged populations of
honey bees in the U.S.
Randy Oliver
Grass Valley, CA
530 277 4450
ScientificBeekeeping.com
>
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