''Oxyuris equi'' is a pinworm, found specifically in horses. It is seen relatively commonly, and its presence is often a result of poor worming protocol. It is found primarily in the caecum, large intestine and the rectum. | ''Oxyuris equi'' is a pinworm, found specifically in horses. It is seen relatively commonly, and its presence is often a result of poor worming protocol. It is found primarily in the caecum, large intestine and the rectum. |