Changes

====Identification====

====Identification====

Adult worms have a common ostertagia appearance, slender, reddish in colour with a short buccal capsule. The worms are very short, males 6-8mm, female 8-10mm.

Adult worms have a common ostertagia appearance, slender, reddish in colour with a short buccal capsule. The worms are very short, males 6-8mm, female 8-10mm. Microscopically  male ''T. circumcincta'' worms have well developed lateral lobes of the bursa and long thin spicules. In females a vulval flap is present, the tail is transversely striated and tapers to a fine rounded tip.