Fasciola hepatica commonly called sheep liver fluke. Epidemiology and impact of fasciola hepatica exposure in high. Apr, 2020 fasciola hepatica can affect 46 species of wild and domestic animals as well as humans. It infects the livers of various mammals, including humans. It causes damage to the liver tissues producing liver rot in all sheep breeding areas of the world. The trematodes fasciola hepatica also known as the common liver fluke or the sheep liver fluke and fasciola gigantica are large liver flukes f. Both species infect the liver tissue of a wide variety of mammals, including humans, in a condition known as fascioliasis. Pdf fasciola hepatica is a parasite that is located in the liver of ruminants with the possibility to infect horses, pigs and humans. Immune responses to fasciola hepatica infection, and. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. When encysted metacercaria are swallowed by a human, they excyst in the lumen of the. The egg the eggs of fasciola hepatica are operculated and average 140. Fasciola hepatica can have an initial presentation similar to the presentation of malignancy. The disease caused by the fluke is called fascioliasis.
Fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic trematode of the class trematoda, phylum platyhelminthes. Man may become infested with this fluke by eating uncooked vegetables. Pdf triclabendazole tcbz is the only chemical that kills early. The liver fluke, fasciola hepatica, is a trematode parasite that causes disease. 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, lymnaeids and human fascioliasis, with a global overview on disease transmission, epidemiology, evolutionary genetics, molecular epidemiology and control. Fasciolosis is a parasitic worm infection caused by the common liver fluke fasciola hepatica as well as by fasciola gigantica. It is important to get an idea about the fasciola hepatica life cycle to determine the best treatment option. Pdf current threat of triclabendazole resistance in fasciola. Epidemiology and impact of fasciola hepatica exposure in. Fasciola, commonly known as the liver fluke, is a genus of parasitic trematodes. Fasciola hepatica vive come parassita nei dotti biliari degli erbivori, il suo ciclo e legato allacqua ed alla presenza del suo ospite intermedio. However, it is commonly observed in developing countries. Fascioliasis is a parasitic infection typically caused by fasciola hepatica, which is also known as the common liver fluke or the sheep liver fluke.
Bovine fasciolosis in brazil is monitored on a federal, state and municipal level, and to improve monitoring it is essential to combine the data collected on these. Este helminto e conhecido popularmente como baratinha do figado. Oct 20, 2014 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. Pdf fasciola hepatica is a parasite that is located in the liver of ruminants.
Fasciola hepatica the liver fluke fasciola hepatica is a common fluke found in the liver and bile ducts of cattle, sheep, goat, pig, rabbit, dog etc. Infections due to fasciola gigantica occur mainly in cattle raising areas and cause clinical symptoms similar to those of fasciola hepatica although human infections are less common. Fasciola hepatica from naturally infected sheep and cattle in great britain are. The zoonoses are particularly endemic in sheepraising countries and are also endemic in iran. Fasciola hepatica simple english wikipedia, the free. However, it may often be overlooked, especially in the acute phase, because of uncertain symptoms. Fasciola hepatica can affect 46 species of wild and domestic animals as well as humans. Immune responses to fasciola hepatica infection, and fasciola hepatica derived antigens thesis presented for the degree of masters of science by alan walshe, b. The life cycle, transmission, morphology, clinical presentation, and treatment of the f. It is a parasitic trematode fluke or flatworm in the phylum platyhelminthes it infects the livers of various mammals, including humans. Fasciola hepatica sheep liver fluke phylum platyhelminthe class trematoda fasciola gigantica very rarely infects humans. It is found in warmer climates asia, africa in cattle and buffalo, in which it is responsible for chronic fasciolosis, and in sheep, in which the disease is frequently acute and fatal.
It has been classified as a neglected tropical disease. Fascioliasis, revision clinicoepidemiologica y diagnostico. Fasciola gigantica is similar in shape to fasciola hepatica but is longer 75 mm, with less clearly defined shoulders, and is 12 mm wide. Fasciola hepatica, fasciolose, perdas economicas tema central. Here we show that a major antigen secreted by fasciola hepatica, previously. Thomas and leuokart experimentally demonstrated the changes of liver fluke in a. The disease caused by the fluke is called fascioliasis also kn. Fasciola parasites live as adult flukes in the bile duct and immature eggs go out through feces and grow in fresh. The disease caused by the fluke is called fasciolosis or fascioliasis, which is a type of helminthiasis and has been classified as a neglected. Fasciola hepatica in ruminants digestive system merck.
Dec 04, 20 fasciola hepatica, a parasitic flatworm of the class trematoda, phylum platyhelminthes that infects the livers of various mammals, including humans, is exceptionally rare in the united states. The mf6pfhhdm1 major antigen secreted by the trematode. To complete its life cycle, this trematode needs an intermediate host, represented by a mollusk from lymnaeidae family. Ppt fasciola hepatica powerpoint presentation free to. Als het tot eiuit scheiding komt dan is het zeer gering, en kan daarom zeer. The disease is a plantborne trematode zoonosis, and is classified as a neglected tropical disease ntd. The liver fluke fasciola hepatica is a trematode parasite with a worldwide distribution and is the cause of important production losses in the dairy industry.
Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Consequently, we decided to combine both names and to refer to the protein as. Oct 11, 2019 fasciola, lymnaeids and human fascioliasis, with a global overview on disease transmission, epidemiology, evolutionary genetics, molecular epidemiology and control. Fascioliasis is a worldwide zoonotic infection with fasciola hepatica and fasciola gigantica. Fasciola hepatica, also known as the common liver fluke, is a trematode parasite of sheep and cattle with a widespread distribution worldwide and in the uk, where fluke prevalence in adult dairy cattle has been reported to be 48% to 76% salimibejestani et al. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. A neighbourjoining tree saitou and nei, 1987 using the da nei et al. The definite hosts of fasciola hepatica are sheeps, cows, and humans.
Fasciola hepatica and fasciola gigantica, as well as hybrids between the two species. Rapid enhanced mm3copro elisa for detection of fasciola. Fasciola hepatica article about fasciola hepatica by the. Fasciola hepatica was more prevalent in the southern states of brazil. 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. Fasciolosis is caused by species of liver flukes of the genus fasciola.
The fascioliasis is a parasitic infection caused by tremadotes of fasciola genre and the more frequent species is fasciola hepatica which is distributed in all continents and to infecting many mammals, including the man. Follow me to a labeled images of fasciola hepatica. The c0 2 formed will be sent out through the body surface by diffusion. It is a parasitic trematode fluke or flatworm in the phylum platyhelminthes. Kwaliteit skml parasieten factsheets entamoeba histolytica ascaris lumbricoides necator americanus en ancylostoma duodenale. 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. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Fasciola hepatica bahiya basheer 2nd year mbbs student 2. It is commonly known as liver fluke and is an endoparasite in the bile duct of sheeps liver. A related parasite, fasciola gigantica, also can infect people. Fascioliasis due to fasciola hepatica and fasciola gigantica infection. Dna multigene characterization of fasciola hepatica and lymnaea. Light infections due to fasciola hepatica may be asymptomatic.
Eggs of fasciola hepatica have been found in mummies, showing that human infection was occurring at least as early as pharaonic times farag. Fascioliasis is found in all continents except antarctica, in over 70 countries, especially where there are sheep or cattle. Fasciola gigantica in ruminants digestive system merck. Fasciola hepatica definition of fasciola hepatica by. The incidence has been increasing since the year 1980. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Immune responses to fasciola hepatica infection, and fasciola. The aim of this observational study was to assess the prevalence of exposure to f. Here, we report a case of a hepatic mass caused by fasciola hepatica. Il parassita adulto depone uova che vengono portate dalla bile nellintestino e raggiungono lesterno con le feci necessariamente in ambiente acquatico. Economically important infections are seen in cattle, sheep, alpacas, and llamas in three forms. In this article we will discuss about the structure of liver fluke fasciola hepatica with the help of a diagram.