Liver Flukes
Bill Samuel
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Liver Flukes
Disease
Commonly Infected Wildlife
In Missouri, deer and elk may be infected.
Is This Animal Infected?
Animals rarely show external symptoms. Livers may by swollen and lumpy. Purple-gray, flat, oval parasites (flukes) may be seen in the liver. Flukes vary in size from 1/2 to 11/4 inches wide and 11/4 to 31/4 inches long.
Can I Get It?
No. Liver flukes do not affect the meat.
How bad can it get?
There is no known risk to humans.
Symptoms in humans
There is no known risk to humans.
Protect Myself and Others
The meat of infected animals can be eaten, but infected livers are unappetizing. Infected livers should be discarded.
Safe for Pets?
Yes. The meat is safe for pets to eat when cooked to proper temperatures.
What Causes It?
A trematode flatworm (fluke) called Fascioloides magna.
Mission & Vision
We protect and manage the fish, forest, and wildlife of the state. We facilitate and provide opportunity for all citizens to use, enjoy, and learn about these resources.
