Strongylus vulgaris
Strongylus vulgaris
Taxonomy
- Kingdom Animalia
- Phylum Nematoda
- Class Secernentea
- Order Strongylida
- Superfamily Strongyloidea
- Family Strongylidae
- Genus Strongylus
Final host
Horse, donkey
Morphology
Adults: robust dark-red worms (≈ 1.5-2.5 cm) The well-developed deep buccal capsule is oval in outline and contains two earshaped rounded teeth at its base The anterior margin of the buccal capsule bears two leaf crowns The copulatory bursa of the male is well developed Eggs are of strongyloidd type (≈ 83-93 by 48-52 µm) with barrel-shaped side walls, a smooth thin shell and contain a morula with several large blastomeres when laid L3 are long-tailed
Cycle
Direct (with larval migration through craneal mesenteric arterial branches)
Location
Large intestine
Feeding
Histophagous and haematophagous
Diagnostic
Eggs
Transmission
L3