On the very rare occasions that I feed my bees, I normally add blue food dye to show where it end up. Maybe the same could be done with Purina.
I often buy Purina products for my cat. It might be interesting to leave an open tin near a hive.
Chris
***********************************************
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