Royal Canin knows what makes your Jack Russell Terrier magnificent is in the details. Small but mighty, the Jack Russell is an energetic dog that requires a ton of activity. They can benefit from the right diet to help maintain muscle mass, protect their skin and coat, and help with dental care, especially as your good-looking little pal becomes older. Royal Canin Jack Russell Terrier Adult Dry Dog Food is tailor-made nutrition created just for your Jack or Parson Russell Terrier pure breed. This exclusive breed-specific diet is uniquely formulated for your small dog, with the specific nutrients to help them thrive. The specialized kibble is designed for your small breed's strong, rectangular jaws, making it easy for them to pick up and chew. Optimal protein content and antioxidants support vitality and sustain muscle mass. Essential nutrients like B vitamins and amino acids reinforce the skin barrier with EPA and DHA from fish oil for skin support and coat care. And to help with your little dog's dental care, this Jack Russell dog food has a unique kibble texture, shape, and size to help reduce tartar buildup for healthy gums and teeth by encouraging the dog to chew. With over 50 years of scientific research and observation, Royal Canin continues to deliver targeted nutrition to feed every pet's magnificence. Not satisfied? Then neither are we. Our breed health formulas are 100% satisfaction guaranteed. (Just contact us for more details.)