Table 1.

Differential features of eggs ofTrichuris vulpis,Capillaria aerophilaandCapillaria boehmi

Nematode	Length μm	Width μm	Morphological features	Plugs	Shell	Reference
Trichuris vulpis	72-94	31-42	lemon-like shape, brownish	symmetrical presence of rings	thick and smooth wall	[1,5]
Capillaria aerophila	60-65	25-40	barrel-like shape, zygote fills the egg	asymmetrical no rings	striated outer shell with a network of anastomosis ridges and bridges	[4,5]
Capillaria boehmi	50-60	30-35	barrel-like shape, clear to golden, space between the embryo and the wall	asymmetrical no rings	tiny pits on the surface of the wall	[4,10]