1. Lab(8)
Practical Parasites
The second stage
Assistant Lecturer
Muna Hashim
2014

2. Fasciola hepatica

3. Scientific Classification
Kingdom: Animalia Phylum: Platyhelminthes Class: Trematoda Order: Fasciolidae Family: Fasciolidea Genus: Fasciola Species: hepatica

4. Common name:
liver flukes or sheep liver fluke.
Location in Definitive host :
liver; bile passages, gall bladder .
The disease caused by the fluke is called fascioliasis (also known as fasciolosis).
Infective stage : cercaria

5. Cattle , Sheep , Sometimes humans
Final Hosts
Cattle , Sheep , Sometimes humans

6. Intermediate host : snail (Lymnaea trancatula )

7. Morphology
Adult worms are large leaf-like, 20 to 30 mm in length by 8-15 mm wide ,has an anterior elongation where oral and ventral suckers are located Intestines are very branched

8. The eggs
measure about 140 by 80 µm, yellow-brown.

10. Transmission Ingestion of contaminated water and food with cercaria.
A form of infection known as halzoun (in the Middle East) is contracted by eating the raw liver of an infected animal

11. Diagnostic Tests
Most widely used form of diagnosis is the directly observed presence of Fasciola hepatica eggs in a stool sample.
serological test

12. گزارش اولين همه گيري فاسيوليازيس انساني در استان كرمانشاه
Thank you
گزارش 2 مورد اول