For Hervé & all
> I am used to use the on-line varroa calculator from
> the National Bee Unit in GB.
The National Bee Unit's varroa model is alive and well...
http://www.csl.gov.uk/prodserv/cons/bee/varroamodel/
Regards & 73s... Dave Cushman, G8MZY
Beekeeping & Bee Breeding Website
http://website.lineone.net/~dave.cushman
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