Did Dr. Calderone say if the negligible differences showed at least a
trend towards 'better' or 'worse' in those 3 areas ? I would think that
if the open bottoms offer an even slight improvement, they'd still be
worth using. Every little bit helps.
Waldemar
>>Dr. Nicholas Calderone from Cornell University, who presented the
results of studies they have been doing on screened bottom boards. When
compared to
"regular" bottom boards their studies indicated screened/open bottom
boards
showed negligible differences in 3 areas: fall cluster size, honey
production, and VARROA CONTROL! When asked if screened/open bottom
boards
had an impact on over wintering due to improved ventilation, Nick
responded
that their studies did not look at that aspect of screened/open bottom
boards.
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