A Coralville dog grooming business has lost its license after three dogs died there.The State Department of Agriculture revoked the license from Kathy Root who owns “Dog Days” pet grooming. Two dog owners complained their dogs died while in the care of employees of the shop. One dog died after jumping off a grooming table and breaking its neck. The dog was being held by a collar and leash at the time. Two other dogs also died at the shop.