Exercise 14: Equine Strongyles (Palisade worms, Red worms) Flashcards
The strongylids of horses are parasites of the
Large intestine (cecum and colon)
Large stronglyes
Strongylus equinus
Strongylus edentatus
Strongylus vulgaris
Presence of a large dorsal tooth with bifid tip and two smaller subventral teeth
Strongylus equinus
Presence of ear-shaped dorsal teeth
Strongylus vulgaris
Absence of teeth
Strongylus edentatus
Anterior end of Strongylids
Truncated (shortened)
Have stout rigid body
Strongylus
Buccal capsule in strongylus
Well developed buccal capsule
Structure in the mouth characteristic of this parasite
Lateral leaf crowns around the mouth
Dorsal gutter
Males spicules
Long slender
Other genera of equine strongylids
Triodontophorus
Cyclicodontophorus
Cyclicocylus
Gyalocephalus
Buccal capsule subglobular, wider than deep and has 3 pairs of teeth at its base
Triodontophorus
Elements of the external leaf crown are shorter, narrower and more numerous that elements of the internal leaf crown
Cyclicodontophorus
The buccal capsule has ringlike hoop-shaped thickening of the posterior margin
Cyclicocyclus