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Deworming your horse

Quick facts

  • Deworming is key to horse and foal health care programs.
  • Some studies show 80 percent of colic cases relate to parasites, with larval strongyles most responsible for colic in adult horses.
  • Fecal samples can test for internal parasites except tapeworms and bots.

Jeremy D. Frederick, DVM, formerly with the University of Minnesota and Julie Wilson, DVM, formerly with the University of Minnesota

Reviewed in 2018

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