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How to Treat Pinworms in Horses

Updated April 17, 2017

Pinworms are small parasites that infect the digestive tract of horses. Adult pinworms lay eggs around the horse's anus, causing irritation and itching. The most common symptom of a pinworm infection is tail rubbing, which can cause stress, sores and loss of hair on the rear end of your horse. Pinworms don't generally cause severe health problems by themselves, but the irritation can cause your horse distress. Pinworms should be treated as soon as possible.

Initiate a regular program of deworming medication. Seek the advice of your veterinarian. She can help you choose the best dewormer for your area and situation.

Dispose of manure properly. Manure should be spread or composted in non-grazing areas.

Place feed in containers off the ground to avoid faeces mixing with food.

Change water often. Water should be clean at all times to help prevent infection.

Warning

Pinworms, as with other parasites, can become resistant to deworming medication. Discuss a rotation program with your vet.

Things You'll Need

  • Deworming medication
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About the Author

Jennifer Streit is a freelance writer with degrees in English, creative writing and history. After over a decade in education, she now teaches at home and writes full-time. Her work appears in many forums online as she shares her passion for life, children and the outdoors with others.