Eggs of large strongyles are generally smaller than those of small
strongyles, but the different groups are not distinguishable without
detailed measurements. The same applies for Trichostrongylus axei.
Faecal sample must be cultured to obtain third-stage larvae (L3) for
further differentiation.
Longitudinal oval, thin-shelled eggs with smooth
surface and evenly rounded poles (strongyle type).
Dark, spherical blastomeres fill eggs only partially.
70-110 x 30-54 µm in size.
