Introduction Identification key Trichostrongylus Cooperia Bovine Ostertagia Ovine Ostertagia Haemonchus Nematodirus Bunostomum Oesophagostomum/Chabertia Strongyloides
Oesophagostomum/Chabertia
(virtually indistinguishable)
The two genera both have:
Approx. 32 gut cells Head broad and rounded Sheath tail filamentous Larval tail not notched or lobed
Length (Oesophagostomum) 726-923 µm Length (Chabertia) 650-789 µm