Mackie is a handsome, approximately 2½-year-old brindle male. He is not tattooed so his exact age is not known. Mackie came to GALT's family from a Dallas area shelter, and arrived heartworm positive. Dr. Jeff Ellis of VCA Preston Park Animal Hospital successfully treated Mackie, starting April 18, 2009. Mackie, now on August 7, 2009, is now shows to be heartworm negative! This boy is ready to find his forever home! It is not known at this time if Mackie is small animal or cat tolerant.