Can Heartworm Positive Dog Give Heartworm To Another Dod?
Can Heartworm Positive Dog Give Heartworm To Another Dod? NO! Heartworms are spread by infected mosquitos. If a dog has heartworm and is bitten by an infected mosquito, the heartworm can be passed to another dog via the mosquito. The mosquito has to host the heartworm long enough for it to mature and be able