The life cycle of Fasciola gigantica is as follows: eggs (transported with feces) → eggs hatch → miracidium → miracidium infect snail. Life ca passes its life cycle in two different hosts. • Definitive hosts- Sheep,goat, cattle or man. Adult worm in the biliary passages of the liver. Keywords: Fasciola gigantica, life history, biological characteristic, The general life cycle of fasciolids is described in the following passage.

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Accessed December 31, at https: In some instances humans are also infected. Fascioliasis is caused by Fasciola hepatica and less often by F.

The eggs of F.

The species of Fasciola can become adapted to new intermediate hosts under certain conditions fxsciola least based on laboratory trials. The eggs are very difficult to differentiate from those of F.

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The unique characteristics of this stage include 2 lateral projections at the posterior end. Artemether has been demonstrated in vitro to be equally effective. Fasciola gigantica is leaf-shaped and tapers at both ends.


Enterobius vermicularis Enterobiasis Pinworm. Few human infections with F.

The anterior end is cone-shaped, unlike the rounded anterior end of Fasciolopsis buski. Fasciola hepatica infect various animal species, mostly herbivores plant-eating animals. African Journal of Traditional, Complementary and Alternative medicinesAbstracts of the world congress on medicinal and aromatic plants, Cape Town, November Our findings indicate that F. In contrast to cercariae, metacercariae have a hard outer cyst wall higantica can survive for prolonged periods in wet environments.

Human infections with F.

Fasciola gigantica – Wikipedia

Active cercariae emerged from the snail and swam freely to search for the substrate for encystment. Animals with bilateral symmetry have dorsal and ventral sides, as well as anterior and posterior ends. The habitat of Fasciola gigantica changes with the stage of its life cycle.

Get Email Updates To receive email updates about this page, enter your email address: Ingestion of Fasciola gigantica metacercariae by the intermediate host snail, Lymnaea ollula, and infectivity of discharged metacercariae.

January 10, Page last updated: The current tests of choice for immunodiagnosis of human Fasciola hepatica infection are enzyme immunoassays EIA with excretory-secretory ES antigens combined with confirmation of positives by immunoblot. Humans become infected through ingestion of water plants which carry the infective metacercariae.



The surface is completely occupied with cilia. Miracidia are found in fresh water that contains intermediate snail hosts in the genus Lymnaea.

Specific antibodies to Fasciola may be detectable within 2 to 4 weeks after infection, which is 5 to 7 weeks before eggs appear in stool. The mother redia contain many daughter rediae and germinal balls Fig. Galba humilis, a host of F.

Infectious diseases Parasitic disease: While ADW staff and contributors provide references to books and websites that we believe are reputable, we cannot necessarily endorse the contents of references beyond our control. To cite this page: Pulmonatavectors of Fascioliasis”. In otherwords, Europe and Asia and northern Africa.


Trematode Infections and Diseases of Man and Animals. Johnson and Thieltges, Ecosystem Roles Fasciola spp. Each germinal cell gives rise to new germinal cells and these then multiplies to become germinal balls.