If you choose to treat for Nosema and treat only once a year, Fall treatment is recommended.
I'm treating my bees with 2 gallons of medicated sugar syrup per hive.
Info on Fumagilin-B
http://maarec.cas.psu.edu/bkCD/labels/Fumidil_B.html
Check this out...
Posted by ski: Jan 21, 2010 subject: Jan 2010 Bee Culture Nosema Disease
http://guilfordbeekeepers.org/forum/vie ... +treatment
Fall Treating with Fumidil-B
Fall Treating with Fumidil-B
Everyone has an opinion, this is mine.
Norma
Norma