This highly digestible dehydrated chew comes from 100% pasture-raised duck. They are rich in Glucosamine & Chondroitin (for hips and joints). Hormone-free and humanely raised. No antibiotics, No chemicals, No pesticides. Sourcing: One of our amazing farm partners ***We choose to source from working farms which means animals may not mature on our timetable. At times, this means we will not have access to unlimited inventory.