Dear Anonymous:
 
>I got my 7 month old female ferret spayed a few weeks ago and her belly
>has since gone blue and it is startig to change into a brown brown colour
>also.
 
What you are seeing is hair regrowth - full follicles with little
protrusion of the hair from the epidermis gives the skin a blue look,
and early growth looks brownish.  Sounds like everything is proceeding
normally.
 
With kindest regards,
Bruce Williams, DVm
[Posted in FML issue 3287]