A great article by the Natural Beekeeping Trust.
"Any activities we engage in as beekeepers to protect the colonies in our care from parasites, virus attacks and diseases are measures that delay if not prevent the development of a natural gene pool of honeybees in the world. As long as medication dependent bees predominate in any given region, the evolvement of good genetic pools is actively hindered. Wild living honeybees are vital."
Full article HERE.