Tim Morris wrote:
>
> >From what I am reading, AFB is not curable.  Not so much in that the disease
> can't been cured, but that the spores are everywhere, and re-infect the bees.

>   I was wondering if anyone has heard of or tried
> sealing the hive walls and outsides with a polyurethane or other coating to
> seal off the spores?



Tim,

This might be of interest:

http://www.nba.org.nz/pms/manual/man08.htm

It was posted on the sci.agriculture.beekeeping newsgroup.



AL