Il parassita adulto depone uova che vengono portate dalla bile nellintestino e raggiungono lesterno con le feci necessariamente in ambiente acquatico. The eggs pass in feces, hatch in water, and infect lymnaeid snails. A fasciola hepatica linne, 1758 e classificada entre os platyhelmintes, e esta dentro da classe trematoda. Fasciola hepatica simple english wikipedia, the free. It affects humans, but its main host is ruminants such as cattle and sheep. Fasciola hepatica pdf animal diseases epidemiology.
Horses frequently graze the same pastures as sheep and cattle but are thought to be relatively resistant to liver fluke infection 1, 2. Association of fasciola hepatica infection with liver. Prevalence is highest in areas where extensive sheep and cattle raising occurs and where dietary practices include the consumption of raw aquatic vegetables. The genus name is derived from the latin word fasciola, meaning fascia or band. Adult fasciola are captured in the bile passage of sheep or many reproduce by parthenogenesis. Introduction fascioliasis, an infection caused by the liver fluke fasciola hepatica, has traditionally been. Introduction fascioliasis, an infection caused by the liver fluke fasciola hepatica, has traditionally been considered to. It is a parasitic trematode fluke or flatworm in the phylum platyhelminthes. Fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic trematode fluke or flatworm, a type of helminth of the class trematoda, phylum platyhelminthes. Fasciola hepatica is found on every continent with nearly 180 million people at risk and an estimated 2. Ppt fasciola hepatica powerpoint presentation free to. It infects the livers of various mammals, including humans. Fascioliasis, revision clinicoepidemiologica y diagnostico. Hepatic fibrosis and fasciola hepatica infection in cattle.
The disease is a plantborne trematode zoonosis, and is classified as a neglected tropical disease ntd. Joseph misdraji, in diagnostic pathology of infectious disease, 2010. Fasciola hepatica, fasciolose, perdas economicas tema central. Medicina veterinaria abstract the fasciolose is a disease of great veterinary importance for causing high economical losses, due to the condemnation of great number of livers and carcasses of animals in the slaughterhouses. Fasciola hepatica and fasciola gigantica are trematode bile duct flukes found primarily in sheep and cattle.
The trematodes fasciola hepatica also known as the common liver fluke or the sheep liver fluke and fasciola gigantica are large liver flukes f. The two species of trematodes that cause fascioliasis fasciola hepatica and fasciola gigantica are leafshaped worms, large enough to be visible to the naked eye adult f. Fasciola hepatica en colombia alex javier carmona parasitologia 2012 microbiologia up 21. The disease progresses through four distinct phases. Is a parasitic flatworm of the class trematoda, phylum platyhelminthes that infects liver of various mammals, including humans. Ricard masia, joseph misdraji, in diagnostic pathology of infectious disease second edition, 2018. The life cycle, transmission, morphology, clinical presentation, and treatment of the f.
Fasciola hepatica commonly called sheep liver fluke. Fasciola hepatica definition of fasciola hepatica by. Fasciola hepatica infection is widespread across eastern new south wales where the annual mean rainfall is about. Fasciola hepatica has increased significantly since 1980 and several geographical areas have been. Fascioliasis is caused by two species of parasitic flatworms or trematodes that mainly affect the liver. Fasciola gigantica an overview sciencedirect topics. In sheep, the migratory phase of the parasite produces severe parenchymal disease of the liver for which the parasite is called sheep liver fluke and the disease is known as liver rot. View fasciola hepatica research papers on academia. Fasciola hepatica bahiya basheer 2nd year mbbs student 2.
Jun 29, 2019 fasciola hepatica liver fluke, is a common and widespread pathogen, well. Fasciola hepatica sheep liver fluke phylum platyhelminthe class trematoda fasciola gigantica very rarely infects humans. Fasciola hepatica, also known as the common liver fluke or sheep liver fluke. Fasciola hepatica en colombia alex javier carmona parasitologia 2012 microbiologia up 22. Fasciolosis is a parasitic worm infection caused by the common liver fluke fasciola hepatica as well as by fasciola gigantica.
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