Half of these dogs are heartworm positive which means first we need to clear up other medical issues, gain some weight, and then treat them for heartworm before they would be available. (shelterme.tv)
Private shelters can take dogs who are heartworm negative and don't need costly treatment. (shelterme.tv)
We take a small sample of blood to make sure your dog is heartworm disease negative, that they have not contracted this disease as they were exposed to mosquitoes the previous year. (mcleanvet.com)