Canadian Brand. Help your dog thrive with the power of protein-rich recipes that provide peak nourishment. Dogs are ancestral carnivores, so they need a Biologically Appropriate diet rich and varied in whole animal ingredients. ORIJEN Senior is specifically for your senior dog to help them stay healthy by supporting lean muscle mass & weight maintenance. Packed with WholePrey animal ingredients & made with the most nutrient-dense, succulent parts of the prey to deliver the nutrition dogs need. With 85% quality animal ingredients and a freeze-dried liver coating, this diet is beyond comparison.