The fur on the HeroDogTreats Rabbit Ears is an excellent source of fibre, aiding your HERO in clearing the digestive tract. Also, a great source of chondroitin, which when paired with glucosamine is important for your pets’ bone and joint health. 100% Canadian Rabbit Ears from CFIA Inspected Facilities. Single Ingredient Dehydrated Treat with No Preservatives, Filled with Fiber which is Essential for Digestion, Hair Helps Clean Teeth, High in Protein, Low in Fat