The trouble with Colonsay bees or the West Donegal bees I mentioned is that they will have zero adaptation to varroa as they are from mite free areas.
The arrival of mites likely gets rid of the most susceptible stock quite quickly.
I am curious to see what they have in Donegal.
The Galtee breeding group have been doing some work on selecting for more resistant stock for several years now so may be some way down the road in terms of bees which can deal with mites.
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