Table 3 Cardiopulmonary nematodes affecting dogs and cats: differential features of first stage larvae found in faecal samples.
From: Canine and feline cardiopulmonary parasitic nematodes in Europe: emerging and underestimated
Nematode | Length (μm) | Oesophagus | Caudal end | Refs |
|---|---|---|---|---|
Aelurostrongylus abstrusus | 300-390 | Non-rhabditiform; 1/3 - 1/2 the length of the larvae | Notched and S-shaped | |
Angiostrongylus vasorum | 310-400 | Non-rhabditiform; 1/3 - 1/2 the length of the larvae | Tip with a dorsal spine and a sinus wave curve | |
Oslerus rostratus | 335-412 | Non-rhabditiform; 1/3 - 1/2 the length of the larvae | Constriction anterior to the end; tip with a kinked appearance | |
Oslerus osleri Filaroides spp. | ~250 | Non-rhabditiform; 1/3 - 1/2 the length of the larvae | Absence of dorsal spines and S-shaped end with a slight kink | |
Crenosoma vulpis | 240-310 | Non-rhabditiform; 1/3 - 1/2 the length of the larvae | Pointed and straight tail | [127] |
Strongyloides stercoralis | 150-390 | Rhabditiform (corpus, isthmus, valvulated bulb); 1/4 the length of the larvae | Pointed and straight tail | [93] |
Hookworm larvae | 290-360 | Â | Â | Â |