My Suki had the same problem of not being able to express her scent
glands and eventually had to have both glands removed. This is a
serious matter in the the UK as removal of scent glands is regarded
as mutilation unless for medical reasons and no vet will do this
operation otherwise. for the full story see...
http://pets.groups.yahoo.com/group/ferrethealth/message/8720
start there and follow the story in subsequent posts (bottom of page)
Tony
[Posted in FML 6653]