Consider the larger concern; the bi-directional selection of promoting poor resistance in your bees by the use of such treatments, and spreading this poor resistance by way of a genetic time bomb to your fellow beekeepers bees, including the feral population of bees.

Perhaps, the concern about breeding resistant strains of bee diseases could be lessened, if not eliminated with responsible breeding practices.

Best Wishes,
Joe
Feralbeeproject.com

1901, Fountain Ferry Park, Kentucky 
“A swarm of bees settled on Carey’s  Face, folks thought he had smallpox.”
http://pets.groups.yahoo.com/group/HistoricalHoneybeeArticles


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