STOP Dirofilaria

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The Fight Against Dirofilaria Immitis

Dirofilaria Immitis is a parasitic worm that lives in the heart, lung, and associated blood vessels of infected animals. Dirofilaria is the cause of heartworm disease—a serious and potentially fatal disease in domestic pets, wild animals, and humans.

Canine heartworm is a silent but invasive disease that can be easily prevented with a
heartworm preventive like Heartgard. Prevention is cheaper and safer than treatment.

Adult heartworms may live up to five years. During this time, the female produces millions of
offspring called microfilaria, which live in the small vessels of the bloodstream.

ROLDA dogs receive their heartworm treatment every month, but stray dogs do not.

That means each dog we rescue could be suffering from heartworm disease—some could have
been living with Dirofilaria for months and months.

Unfortunately, by the time clinical signs are seen, the disease is usually well advanced, and an infected dog may have as many as 300 worms present when diagnosed.
Dogs in this condition usually die within a few weeks.


Read more about Ken, a particular case of Dirofilaria on dog.