Research closely whether the place you are getting your new ferret from reports any strange poops or grainy stools. If you find a clean place to get a ferret, read up on ECE at resources such as Ferret Central to be prepared. I have a basic question around shedding season. My one year old male,Pookie lost a great deal fur, all the guard hairs are gone. He's also lost a bit of weight and even a little hair on his legs.
Ferrets usually lose fur twice a year when they shed - in spring and in the fall.
This is very normal. I recommend you treat the ferret to a laxitive for cats or ferrets twice a week, more often if the little fellow in coughing or his stools look thin. Change bedding two to three times a week to prevent them from licking up excess fur during shedding season as well. Fur ball medication can be given to the ferret weekly as a treat during the rest of the year. Ferrets also lose weight in the Spring - sometimes almost twenty percent of their body weight.