Fasciola hepatica in ruminants digestive system merck. Este helminto e conhecido popularmente como baratinha do figado. 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. The incidence has been increasing since the year 1980. Fasciola hepatica bahiya basheer 2nd year mbbs student 2. Fasciola hepatica sheep liver fluke phylum platyhelminthe class trematoda fasciola gigantica very rarely infects humans. Pdf triclabendazole tcbz is the only chemical that kills early. Fasciola hepatica and fasciola gigantica, as well as hybrids between the two species. 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. Light infections due to fasciola hepatica may be asymptomatic. Fascioliasis is found in all continents except antarctica, in over 70 countries, especially where there are sheep or cattle. Economically important infections are seen in cattle, sheep, alpacas, and llamas in three forms. It infects the livers of various mammals, including humans.
It affects humans, but its main host is ruminants such as cattle and sheep. It is important to get an idea about the fasciola hepatica life cycle to determine the best treatment option. 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. 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. 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 disease caused by the fluke is called fasciolosis or fascioliasis, which is a type of helminthiasis and has been classified as a neglected. Man may become infested with this fluke by eating uncooked vegetables. 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. It has been classified as a neglected tropical disease. Winner of the standing ovation award for best powerpoint templates from presentations magazine.
Dna multigene characterization of fasciola hepatica and lymnaea. Apr, 2020 fasciola hepatica can affect 46 species of wild and domestic animals as well as humans. The disease is a plantborne trematode zoonosis, and is classified as a neglected tropical disease ntd. It is a parasitic trematode fluke or flatworm in the phylum platyhelminthes. Pdf fasciola hepatica is a parasite that is located in the liver of ruminants with the possibility to infect horses, pigs and humans. Adult fasciola hepatica fluke stained with carmine 30mm x mm.
It is a parasitic trematode fluke or flatworm in the phylum platyhelminthes it infects the livers of various mammals, including humans. 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. Kwaliteit skml parasieten factsheets entamoeba histolytica ascaris lumbricoides necator americanus en ancylostoma duodenale. Here we show that a major antigen secreted by fasciola hepatica, previously. 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.
In this article we will discuss about the structure of liver fluke fasciola hepatica with the help of a diagram. Fascioliasis, revision clinicoepidemiologica y diagnostico. 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. 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 parasites live as adult flukes in the bile duct and immature eggs go out through feces and grow in fresh. When encysted metacercaria are swallowed by a human, they excyst in the lumen of the. Epidemiology and impact of fasciola hepatica exposure in high. The c0 2 formed will be sent out through the body surface by diffusion. The egg the eggs of fasciola hepatica are operculated and average 140. 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. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
Eggs of fasciola hepatica have been found in mummies, showing that human infection was occurring at least as early as pharaonic times farag. Fasciola hepatica from naturally infected sheep and cattle in great britain are. Fasciola hepatica can affect 46 species of wild and domestic animals as well as humans. Pdf fasciola hepatica is a parasite that is located in the liver of ruminants. The definite hosts of fasciola hepatica are sheeps, cows, and humans. Fasciola hepatica lives in the bile duct of sheep as endoparasite. Fasciolosis is a parasitic worm infection caused by the common liver fluke fasciola hepatica as well as by fasciola gigantica. Fasciola hepatica article about fasciola hepatica by the. 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. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Rapid enhanced mm3copro elisa for detection of fasciola. The life cycle, transmission, morphology, clinical presentation, and treatment of the f.
Fasciola, commonly known as the liver fluke, is a genus of parasitic trematodes. However, it may often be overlooked, especially in the acute phase, because of uncertain symptoms. The disease caused by the fluke is called fascioliasis. Fasciola gigantica in ruminants digestive system merck. Ppt fasciola hepatica powerpoint presentation free to. Fasciolosis is caused by species of liver flukes of the genus fasciola. 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. Here, we report a case of a hepatic mass caused by fasciola hepatica. Fasciola, lymnaeids and human fascioliasis, with a global overview on disease transmission, epidemiology, evolutionary genetics, molecular epidemiology and control. Als het tot eiuit scheiding komt dan is het zeer gering, en kan daarom zeer. The mf6pfhhdm1 major antigen secreted by the trematode. Fasciola hepatica fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic flatworm of the class trematoda, phylum platyhelminthes that infects the livers of various mammals, including humans.
Fasciola hepatica simple english wikipedia, the free. Fasciola hepatica vive come parassita nei dotti biliari degli erbivori, il suo ciclo e legato allacqua ed alla presenza del suo ospite intermedio. Fascioliasis due to fasciola hepatica and fasciola gigantica infection. Follow me to a labeled images of fasciola hepatica. The liver fluke, fasciola hepatica, is a trematode parasite that causes disease. Fasciola hepatica can have an initial presentation similar to the presentation of malignancy. 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. A related parasite, fasciola gigantica, also can infect people. Fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic trematode of the class trematoda, phylum platyhelminthes. The trematodes fasciola hepatica also known as the common liver fluke or the sheep liver fluke and fasciola gigantica are large liver flukes f. 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. The aim of this observational study was to assess the prevalence of exposure to f. Fasciola hepatica, fasciolose, perdas economicas tema central. Fasciola hepatica commonly called sheep liver fluke.
Epidemiology and impact of fasciola hepatica exposure in. Thomas and leuokart experimentally demonstrated the changes of liver fluke in a. Immune responses to fasciola hepatica infection, and. It is commonly known as liver fluke and is an endoparasite in the bile duct of sheeps liver. The zoonoses are particularly endemic in sheepraising countries and are also endemic in iran. A neighbourjoining tree saitou and nei, 1987 using the da nei et al. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. The intermediate host is a hermaphroditic lymnaeid snail major sources of human. Consequently, we decided to combine both names and to refer to the protein as. It causes damage to the liver tissues producing liver rot in all sheep breeding areas of the world. 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 definition of fasciola hepatica by. Fascioliasis is a worldwide zoonotic infection with fasciola hepatica and fasciola gigantica. To complete its life cycle, this trematode needs an intermediate host, represented by a mollusk from lymnaeidae family.