> 1.  Keep varroa levels down all year.
> 2.  Maintain good colony nutrition all year.
> 3.  Control EFB if necessary.
> 4.  If the above are followed, control of nosema does not appear to be too
> important in mild winter areas.  Likely more important in cold winter areas.
> 5.  Minimize exposure to pesticides (especially insecticides) and do not
> use miticides that leave persistent residues in the combs.

Might we add "Careful and appropriate manipulations" to that list.

Seems to me that many of the ills beekeepers experience have to do with 
rough and careless handing, removing too much honey, thoughtless and 
excessive splitting, bad timing of operations, and providing hives that 
are too big or too small, too tight or too breezy.

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