I think your success in light of your friend's failure may be attributable to a couple of things: (1) your willingness to treat your bees, though treating only twice during Christmas with OA will not work for most of us, and, I suspect much more important, (2) your remoteness from other beekeepers. A town of 300 with no other beekeepers present? That sounds like beekeeping nirvana to me. The fact that you only need a couple of treatments of OA during the winter to keep them going somewhat proves that concept in my mind. Though, as your title states, we are only working off of anecdote.
Sounds like you have a good situation dialed in with a good balance of treatment for your particular environment. That is where we are all trying to get.
Sounds like you have a good situation dialed in with a good balance of treatment for your particular environment. That is where we are all trying to get.