Blog: Pet Parasite Prevention

Dogs against a white background

Heartworm & Parasite Season by Dr. Tiffany Rennick

As spring approaches, so does Ontario’s heartworm season.  June to November in our province brings mosquitoes, and mosquitoes bring heartworm. Heartworm disease is caused by a parasite called Dirofilaria immitis. Any dog can become infected with heartworm. Heartworm infections can occur in cats but are less common. Heartworm in Ontario...