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As per CCD and race of bees. Our surveys indicated a slight tendency
towards susceptibility to CCD by Italian bees, a hint that Russian bees were a bit
resistant. NONE of this was even close to statistically significant.
Also, since Italians are one of the most commonly used races of bee, and
Russians one of the newer races in the U.S., with more limited distribution -
this is probably just an artifact of the overall numbers of beekeepers with
Italian versus Russian bees.
As per the Africanized bee resistance - I've seen no studies that document
this - haven't even seen any published studies or even rumored stuidies of CCD
in African bees.
I've heard these claims, but can't find any evidence for this. If a study
was done, I'd much like to see it. Should be a simple question - if a study
was done, who did it and when?
Far as I know, the Africanized bee research yard in Tucson was eliminated
after Gerry Loper retired - so where would one have found managed AHB with CCD
- who's watching feral AHBs for CCD? Since we don't know what causes it, you
can't sample an AHB feral colony and proclaim it has/has not CCD.
Is there information about CCD in AHB from S. America? I've reports of a
CCD like problem in Chile. When I was in Chile a couple of years ago, they
claimed not to have AHB.
Guatamala has AHB - I've experienced that when I was there, but their bee
losses were a long, slow dwindle, at least what I saw a few years ago. Any
information about CCD from Argentina? That would be interesting.
The lack of reporting of CCD in a few hot/dry SW states for 2006-07 may have
been the source of the comment that implies AHB are resistant based on
absence of reports of CCD in regions with AHB - that argument went out the window
fall of 2007. According to our surveys and sampling, CCD was seen in managed
bees in this region last fall/winter.
Jerry
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