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Strongylus vulgaris

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