Commonly found eggs Ascaridia Capillaria Heterakis Syngamus trachea Trichostrongylus tenuis Choanotaenia infundibulum Davainea proglottina Raillietina
Heterakis spp.
Length 59 µm –75 µm Width 31 µm– 48 µm Shell thick, smooth side-walls Contents unsegmented
N.B. Ascaridia and Heterakis eggs are very similar and not easily distinguished.