>Merlin, our 14 month old male MF ferret has lost LOTS of weight...
 
While it's impossible to diagnose and treat an animal over E-mail, it
sounds like possible GI obstruction.  You need to see a veterinarian
rather than try to treat this yourself.
--
Bruce S. Levine, DVM
 
"Lost in Cyberspace"
[Posted in FML issue 1682]