Oxyuroidea

PARASITES NEMATODES

The Pin-Worms

Oxyuris equi - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona

General Apperance

• Non-bursate.
• Female tail long and tapering.
• Pharynx is double-bulbed.

General Life-Cycle

• Direct and non-migratory.
• Live in the large intestine.
• Eggs are deposited on perineal skin.
• Eggs are asymmetrical and have an operculum at one end.