I posted a couple of days ago that one Calif beek had problems treating
splits with MAQS.  The manufacturer is looking into it.  Following are snips
from our correspondence:


In regards to the issues being experiences with supercedure and brood loss,
 adequate ventilation seems to be the main problem.  I have been told that
beekeepers in California generally run 3/8” entrances as opposed to ¾”
entrances.  MAQS treatment targets the brood area within the hive whereas
Mite-Away II acted as a fumigant for the entire hive.  Increasing
ventilation to the brood area will alleviate the problems being experienced.



It is recommended that beekeepers slide the second storey brood chamber back
½” to create a temporary full width entrance and extra ventilation. The
boxes should then be slid back square and the temporary entrance closed
sometime after the first three days.  This information is on the FAQ that
was posted on our website in early April.

-- 
Randy Oliver
Grass Valley, CA
ScientificBeekeeping.com

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