I have two ferrets on Proscar at the moment (5 mg tablet).  I grind a
tablet and mix it in 1-2 Tbsp. Bob C's chicken gravy (or Duck Soup) ...
they slurp it with gusto.  I try to get all their meds unflavored -
easier to hide them in their Bob C's .... no problem with any of them
to date ....
[Posted in FML issue 4598]