> Maybe we should ask, haven't you ever listened to your bees?
Yeah, of course. But I wouldn't introduce a new queen into a colony just because they were roaring nor give a mite treatment just because they were noisy. The quote said beekeepers "ascertain the state of their honey bee colonies" from sounds. A sound may be a tip-off but it takes actual inspection, testing, and/or followup to "ascertain" anything. Unless they define "certain" in some other way than I do.
Peter L Borst
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