Jack Russell Terrier: We feed Royal Canin medium dry puppy Food. This is an active breed with a VERY BIG heart! They are a loving little dog and have lots of personality! They make great companions/hunters and will bring you much joy! Our Jacks are APRI registered. The Jack Russell Terrier Puppies for Sale are in between shorty’s and the long legged JRT in height. Deposits are non-refundable.