Exercise 8: Bird trematodes

Echinostoma revolutum

Identify

Intestine and ceca

OL

Ducks, geese, fowls, pigeons, man

Host

Echinostoma revolutum

Head collar

Spiny cuticle

Strong ventral sucker near small oral sucker

Testes elongated and slightly lobed, tandem

Vitellaria lateral

Philophthalmus spp.

Identify

Eye fluke

Common name

Conjunctival sac

OL

birds

Host

Philopthamus spp.

Ventral sucker in middle

Buntis appearance

Prosthogonimus spp.

Identify

Bursa of Fabricius and oviduct

OL

Birds

Host

Prosthogonimus spp.

Genital pore

Cyclocoelium spp.

Identify

Body, Nasal cavity and air sacs

OL

Wild aquatic birds

Host

Cyclocoelium

No oral sucker

Absent oral sucker

Intestinal ceca simple and form intestinal ring

Testes entire and tandem

Tanaisia sp..

Identify

Kidney

OL

Wild chicken

Host

Tanaisia

Absent ventral sucker

Notocotylus

Identify

Intestine and ceca

OL

Aquatic birds

Host

Notocotylus spp.

Transverse coils

Between testes is ovary

Absent ventral sucker

Three longitudinal rows of ventral glands

N. intestinalis

intestine of chicken and duck

N. naviformis

intestine of duck

Philophthalmus rizalensis

Eye fluke in ducks

Philophthalmus problematicus

Eye fluke in chicken

Genital pore; egg laying

Identify the encircled structure and its purpose