Dear Max
 
> Apistan has been repeatedly used and tested world-wide but if Sandoz were to
> receive feedback from beekeepers that treatment was causing colony damage (as
> some other preparations do), the product would be re-evaluated and possibly
> removed from the market.
 
Please can you be more specific about 'the other preparations that
cause colony damage'?
 
Best wishes
 
Joe
 
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