Dick;

Excellent question on variability between colonies.  In production
agriculture variability is the difference between profit and loss.  One
reason precision ag exploded in popularity early on was that yield monitors
on combines could map out low yielding areas of fields and the intensive
soil testing could allow precision application of lime or nutrients to
correct deficiencies and improve yields.  The next season the combine
completed the feedback loop as it measured yield.  This begs the question
of what is the source of the variability in your (and my) hives?  I try to
have uniform inputs - frames, foundation, feeders, queens, production
practices - but still see variability.  Variability means extra work for
the laggards too.

I am an 'extensive' beekeeper.  I don't go through my hives very often
unless I see an outward sign of distress or weakness, but I invest in
eliminating variability in uniform equipment and management, which I think
allows for my extensive approach.  I also keep a close eye on my bees, as I
see a dead-out destroyed by wax moths as a sign of negligence.  If one of
mine is headed down it goes in the freezer so the combs and equipment can
be recycled.  I have to wonder if the variability we are seeing can be
attributed to viruses?  Another compelling reason to keep mite numbers low
at all times.

Bill Lord
Louisburg, NC
34 N

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