Introduction Identification Key Trichostrongylus Cooperia Bovine Ostertagia Ovine Ostertagia Haemonchus Nematodirus Bunostomum Oesophagostomum/Chabertia Strongyloides
Examine larva for presence of sheath.
L3
Anterior L3
Posterior L3
Select an option below:
L3 with sheath
L3 without sheath
