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Date: | Fri, 28 Dec 2012 07:36:29 +1000 |
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> Seeley (1978) reported that 79% of queens survived for one year in unmanaged colonies, 26% for 2 years, and no queen survived 3 years. One controlled study of queen survival in commercial colonies in California demonstrated that only 61% of established queens lived longer than 10 months (Gordon et al., 1995). A similar study conducted in Mexico under very different conditions showed that only 28% survived more than 12 months (Guzman-Novoa et al., 1998).
Basil Furgala did some work on how long the original queen was in a hive. I think this was from the early 1980's or even before that. Basil gave us a talk on this when an Aussie beekeepers tour visited him in 1986. As I recall he was using Starline queens. I do not have access to the data but someone else may. It would be interesting as this was before varroa and tracheal mites.
Here where I was doing annual requeening in autumn, around March, I had the queens marked so I know that when I was requeening there would have been around 80% of the original queens still in the hives. No hard data just my observation.
Trevor Weatherhead
AUSTRALIA
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