Update 9-22-10 will be going in next week to be retested to check to make sure she is negative on her heartworms. Maykala is a 4 yr.old that tested heartworm positive . And will start along battle to treat her. So sad to know again we will have another dog that will have to under go this treatment again.She is another baby that is so sweet and will have to go threw a long and painful procedure . Keep her in your prayers.