I recommend not using Apistan Tabs at all. In Switzerland as well as in
other
European countries Varroa mites are to a great extent immune to Apistan and
the
stuff therefore does not help in any way, apart from beiing accumulated in
the hives.

regards
dieter schuerer

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
-- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and  other info ---
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::