Instead of the current treats you give them (vits(?) and froot loops
and cat treats), try a nutritious paste like Ferretvite. It will add
nutrition and calories, and I've yet to encounter a ferret that doesn't
like it.

Jeff
In Loving Memory of Neo, Trinity, Morphy, Possum, Pip, Pop, Sabrina,
Minnie Mouse, Hunny, Misty, Frodo, Baggins, and Mr. Parker
Caring for Luna, Baby Girl, Dozer, Boomer, and Zoomer

[Posted in FML 7234]