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You will need 2 bowls (preferably stainless steel or ceramic) : 1 for food and 1 for water. Each dish should hold at least 8 ounces of food or water. Pet stores sell dishes that can be attached to the side of the cage to minimize spills. It’s also a good idea to install a water bottle that hangs from an interior wall of the cage. Wash the bowls and bottle with warm water and dish soap or run them through the dishwasher on a weekly basis. This will help to keep algae from developing. An ideal ferret diet will contain about 1/3rd or more animal proteins and about 1/4th healthy fats. Look for a quality dry ferret food that contains ingredients at these levels. You can also talk with your vet about using high-quality kitten food as well.  Ferrets enjoy small, cut-up snacks of cooked turkey, cooked egg, or chicken meat. Avoid giving your ferret fresh fruits or vegetables. The sugars in fruits can irritate your ferret’s digestive system. And, ferrets have been known to choke on raw vegetables. Keep in mind that ferrets need to eat about 8 to 10 times per day because they process food so quickly. Fill up your ferret's water bowl and bottle with room temperature water each day. If the water is too cold, then your ferret will stop drinking and could risk dehydration. To tell whether your ferret is dehydrated, pinch the skin on its scruff (the back of its neck) gently, pull up, and let go. If it snaps back, like the skin of the back of your hand does, then your ferret is healthy. If the skin takes a while to flatten or sticks up straight, take your ferret to a vet for possible dehydration.

Summary:
Obtain suitable feeding containers. Give your ferret a diet with both animal proteins and fats. Provide fresh water every day.