All horses have worms, ... Such a blockage may occur, when a horse with a large infestation is treated and the worms die internally. Pinworm. Pinworms (Oxyuris equi) ...

Don’t let worms infest your horse. Menu. News Don’t let worms infest your horse. By Sara Pawsey ...

All horses have worms, but keeping them in check is no longer as simple as feeding a dewormer at regular intervals, as Horse & Hound's experts explain ...