VPA 211: General Veterinary Parasitology and Helminthology (3+1)

MORPHOLOGY OF BUNOSTOMUM TRIGONOCEPHALUM AND B.PHLEBOTOMUM

B.trigonocephalum	B.phlebotomum
Common name: Hook worm of sheep and goat.	Hook worm of cattle
Location: S.I, especially jejnum, ileum.	S.I, especially in duodenum
Morphology: Anterior end of the worm bent in dorsal direction, well developed buccal capsule contains cutting plates.	Anterior end of the worm bent in dorsal direction, well developed buccal capsule contains cutting plates.
Dorsal cone is larger.
Dorsal teeth is absent.	Dorsal teeth is absent.
A pair of sub ventral lancet at the base of buccal capsule is present.	A pair of sub ventral lancet at the base of buccal capsule is present.
Eggs are larger than Strongyle egg, but both the ends are blunt and contains darkly granulated yolk material.	Eggs are larger than Strongyle egg, but both the ends are blunt and contains darkly granulated yolk material.
Spicules are long and slender.	Spicules are long and slender.