15. Family: CYCLOCOELIDAE

Question 1

Characteristic :

Answer 1

Parasites area aquatic
Occurs in body cavity, air sac, nasal cabity
Oral sucker is absent
Uterus contain miracidium

Question 2

Genera:

Answer 2

Tracheophilos cymbius
Trachephilos cucumerinum
Cyclocoelium mutabile
Hyptiamuis tumidus

Question 3

HOST:

Answer 3

Domestic and wild duck

Question 4

Site

Answer 4

trachea, bronchi and orbital sinus

Question 5

I.H trachephilus cymbius
Snails

Answer 5

Helisoma sp.
Planorbus sp.

Question 6

Life cycle:

Answer 6

Eggs hatches to miracidium
No sporocyst
Redia penetrates snail
Bird ingest infected snails

Question 7

Pathogenesis

Answer 7

Birds die asphyxia due to trachea obstruction

Question 8

Treatment:

Answer 8

Albendazole and praziquantel

Question 9

Morphology: both oral and ventral suckers are absent; intestine possess a median diverticula

Answer 9

Tracheophilus cucumerinum

Question 10

Host : aquatic birds

Answer 10

Cyclocoelium mutabile

Question 11

Morphology: ceca without diverticula

Answer 11

Cyclocoelium mutabile