>
> There were two studies by USDA that tested matings in various apiaries.
Hellmich, R & G Weller (1990) Preparing for Africanized honey bees:
Evaluating control in mating apiaries. ABJ 130(8): 537-542.
Hellmich, R, et al (1993) Evaluating mating control of honey bee queens in
an Africanized area of Guatemala. ABJ March 207-211.
I've attached the abstract of the 1990 paper, which indicated that breeders
could expect 95% control in open matings.
Those of us who live near high mountains can move mating nucs to
high-elevation areas that don't have resident honey bee populations. That
would ensure 100% control.
--
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com
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