Originally Posted by
Peter
Temper is undoubtedly related to the amount of introgression from other races - which is very high in this region. We overcame this by rearing a large number of queens from good-tempered colonies then went around re-queening one apiary at a time (I have 23 so the process took some time). All queens were killed if there was any bad temper at all and the colony re-queened. This was done regardless of their performance - and it is not easy to kill off queens when the colony has just produced 250lbs of honey!
The effect of all this was to flood a large area with good drones so that any queen flying to mate would stand a very good chance of meeting up with near-native drones carrying the right genes for temper.
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