Callie’s Kitchen Gourmet Duck Recipe Grain-Free Jerky Dog Treats are made with love and simplicity, so you can give your dog the very best. The limited-ingredient recipe is packed with the real duck protein your furbaby deserves. Slow-cooked in the USA using simple, wholesome ingredients, these soft and meaty duck tenders have no grains, wheat, corn, soy, chicken, artificial flavors, colors, or preservatives. Plus, with 75% real duck meat, these treats are perfect for pups with food sensitivities.