Ccd hits about every 20 years or so from what Ive read. Starting back about 150 years ago. Of course they assume that's what was happening. Hard to say since I doubt they knew about mites, and all the other things that kill bees.dun":35pi0pq1 said:I'm curious if asome of those issues aren;t from the bees being so inbred for the past 100 years or so.