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12:35, 10 May 2016 In late summer the old queen can be easily changed during feeding. IN WHAT CASES DO I NEED OT DO THIS?
Just remove the old queen and introduce the new one with introducing gage WHAT IS THAT? between brood frames
In large operations a new queen can be replaced with a queen excluder above the old queen. Because the colony will not take care of two queens the older one will be discarded.