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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.
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.
There are two morph species of ''T. circumcincta''; ''T. davtiani'' and ''Ostertagia trifurcata'', both of which have slightly different microscopic appearances to the ''T. circumcincta''. In males the bursa is longer in both species and the spicules, shorter and broader.
[[Category:Trichostrongyloidea]]
[[Category:Trichostrongyloidea]]
[[Category:Cattle Nematodes]]
[[Category:Cattle Nematodes]]
[[Category:To_Do_-_NickJ]]
[[Category:To_Do_-_NickJ]]