PATHOLOGY

Detailed explanation-1: -Pinworms (Oxyuris equi) are a common cause of tail rubbing in horses and are small white worms with a pointed tail that resembles a pin. Adult pinworms are found in the colon; the female worm migrates down the gastrointestinal tract and deposits eggs around the anus.

Detailed explanation-2: -A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites.

Detailed explanation-3: -Enterobius vermicularis (Enterobiasis), also known as pinworm, is a familial infection that causes nocturnal perianal pruritus coinciding with migration of adult worms to lay eggs.

Detailed explanation-4: -Large Strongyles Large strongyles, otherwise known as bloodworms, are parasites known to be the most destructive and deadly of all equine parasites.