Beekeeping is much the same as it has been for the last 100 years but there are also big industry changes. Commercial beekeepers rarely winter their bees in MN but send them off to OK or TX where they can forage enough to survive in the mild winters. Winter losses in MN used to be moderate (~10-20%) but with influx of mites over the past 20 years and the complex colony collapse syndrome over the past seven or eight years winter losses can exceed 50% and summer losses will also occur. Wintering a colony also leaves 150 pounds of honey per hive unavailable for harvesting and human consumption. That cost alone warrants moving colonies to the south.
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These are not my hives but show a healthy wintering hive on the left, one in trouble and dying in the middle and the one on the right is dead.
My colony count has ranged from one to thirty colonies. Thirty is too many. It's a challenging enough hobby (business) that the more colonies you have the more you lose. Normally I make a little money. When my kids were little I sold it as "college fund honey." Certainly products like "raw" honey, single source honey and stranger products like pollen and propolis are profitable but labor intensive.
Each year for the past five I've said in the fall that it was my last year. A thermal camera would my diminishing energy. I would have enjoyed a career in entomology.
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