ORIJEN Senior Dog Food Give your older dog a firm nutritional foundation for health and the protein they need for lean muscle mass with ORIJEN Senior. This grain-free, Biologically Appropriate dog food is brimming with fresh and raw whole-animal ingredients–including free-run chicken and turkey, wild-caught flounder, cage-free eggs, Atlantic mackerel, and Atlantic herring. Together, these ingredients provide a varied, meat-rich diet that nourishes dogs according to their evolutionary and biological needs–just as nature intended. At a Glance: Biologically Appropriate, grain-free dog food for senior dogs Fresh and raw animal ingredients from 6 different sources: free-run chicken and turkey, wild flounder, cage-free eggs, Atlantic mackerel, and Atlantic herring 85% meat inclusions; 15% vegetables and botanicals; 0% grain Features WholePrey ingredients in ratios that mirror wild prey