I would have thought that a bottom board with lots of chalkbrood mummies would be an indication that bees had removed them, aka hygenic. Maybe I don't fully understand hygenic.
***********************************************
The BEE-L mailing list is powered by L-Soft's renowned
LISTSERV(R) list management software. For more information, go to:
http://www.lsoft.com/LISTSERV-powered.html