Identification:
Gross:
·         Robust dark red worms which are easily seen against the intestinal mucosa.
·         The well developed buccal cap­sule of the adult parasite is prominent.
Microscopic:
·         Species differentiation is based on size and the pres­ence and shape of the teeth in the base of the buccal capsule.


Species
Length
Identification
Strongylus vulgaris
1.5-2.5cm
Two ear-shaped rounded teeth
S. edentates
2.5-4.5 cm
No teeth
S. equines
2.5-5.0cm
Three conical teeth. One is situated dorsally and is larger than the others and bifid

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