Marshall Pet Products - Uncle Jims Duk Soup MixUncle Jim's Duk Soup Mix has been used successfully to improve and stimulate ferret's appetites, is a natural supplement for ferrets with ECE and POST ECE, helps to boost the immune system of ferrets and helps to bring a ferret's digestive system in order. Can be used as a paste, supplement or can be mixed with Furo-Tone and Furo-Vite for easy dosing. Comes in a 4.5oz. pouch4.5 oz - UPC: 766501003413