Introduction
Identification key

Trichostrongylus
Cooperia
Bovine Ostertagia
Ovine Ostertagia
Haemonchus
Nematodirus
Bunostomum
Oesophagostomum/Chabertia
Strongyloides

Trichostrongylus

16 gut cells
Head tapered
Sheath forms short cone
Length 560-796 µm