Fasciola hepatica sheep liver fluke phylum platyhelminthe class trematoda fasciola gigantica very rarely infects humans. 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. Adults are hermaphroditic and are capable of both crossfertilization and self. Fasciola parasites live as adult flukes in the bile duct and immature eggs go out through feces and grow in fresh. Introduction fascioliasis is a helminthic disease caused by fasciola hepatica liver fluke, which spans worldwide, affecting livestock such as cattle and sheep, which become infected by ingesting water or plants such as watercress, lettuce and spinach alatoom et al, 2008. Fasciola hepatica, also known as the common liver fluke or sheep liver fluke, is a parasitic trematode of the class trematoda, phylum platyhelminthes.
Ppt fasciola hepatica powerpoint presentation free to. The disease progresses through four distinct phases. Fasciola hepatica is a parasitic fluke that lives in the liver. Infected by eating raw watercress or water plants contaminated by immature larvae. 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 study guide by mendi15 includes 43 questions covering vocabulary, terms and more. It infects the livers of various mammals, including humans. Fasciola hepatica commonly called sheep liver fluke. The zoonoses are particularly endemic in sheepraising countries and are also endemic in iran. These animals become infected by eating metacercariae encysted on. Find specific details on this topic and related topics from the merck vet manual. Fasciola hepatica an overview sciencedirect topics. It is important to get an idea about the fasciola hepatica life cycle to determine the best treatment option. Economically important infections are seen in cattle, sheep, alpacas, and llamas in three forms.
The disease is a plantborne trematode zoonosis, and is classified as a neglected tropical disease ntd. Quizlet flashcards, activities and games help you improve your grades. Additional notes on the growth of fasciola hepatica l. It causes damage to the liver tissues producing liver rot in all sheep breeding areas of the world.
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. Light infections due to fasciola hepatica may be asymptomatic. Fasciola hepatica is a parasite that is located in the liver of ruminants with the possibility to infect horses, pigs and humans. A related parasite, fasciola gigantica, also can infect people. The liver fluke is a species of parasitic flat worm that infects mammals. It affects humans, but its main host is ruminants such as cattle and sheep. Fasciola hepatica liver fluke or sheep liver fluke eggs in stool of infected mammals sheepcattle snail aquatic vegetation human. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
Immature larvae migrate from intestine abdominal cavity liver bile duct mature adult. It is a parasitic trematode fluke or flatworm in the phylum platyhelminthes. 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. Apparent triclabendazoleresistant human fasciola hepatica. Adult fasciola are captured in the bile passage of sheep or many reproduce by parthenogenesis. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Fasciola hepatica, helminth, vaccines, hepatic pathology, immune response. The parasite belongs to the trematoda class, and it is the agent. Epidemiology and impact of fasciola hepatica exposure in. T he use of these herbal supplements is a traditional use that is not intended to be prescribed for, treat, or claim to cure any disease, including diseases involving the colon and bowels. Fascioliasis is a parasitic infection typically caused by fasciola hepatica, which is also known as the common liver fluke or the sheep liver fluke. Fasciola hepatica is a trematode parasite in the same family as schistosomes and shares crossreactive antigens with schistosomes. Fasciola hepatica invertebrate zoology virtual collection.
The results of these experiments indicate that the 4th and 5th weeks of infection represent a critical. Fasciola hepatica simple english wikipedia, the free. Fascioliasis, infection of humans and grassgrazing animals, caused by the liver fluke fasciola hepatica, a small parasitic flatworm that lives in the bile ducts and causes a condition known as liver rot f. Fasciolahepatica is a common fluke found in the liver and bile ducts of cattle, sheep, goat, pig, rabbit, dog etc. The trematodes fasciola hepatica also known as the common liver fluke or the sheep liver fluke and fasciola gigantica are large liver flukes f. Fasciola hepatica can affect 46 species of wild and domestic animals as well as humans. Fasciola hepatica bahiya basheer 2nd year mbbs student 2. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Fasciolosis is a parasitic worm infection caused by the common liver fluke fasciola hepatica as well as by fasciola gigantica.
Strategic control and prevalence of fasciola hepatica in. Fasciola hepatica in ruminants digestive system merck. These statements about parasites, parasite cleanse, colon and bowel cleansing have not been evaluated by the fda. Fascioliasis is found in all continents except antarctica, in over 70 countries, especially where there are sheep or cattle. Do not take the clark cleanse products during pregnancy or. In this article we will discuss about fasciola hepatica.
Life cycle was described including the hatching of egg. The aim of this observational study was to assess the prevalence of exposure to f. Wed like to understand how you use our websites in order to improve them. Immune responses to fasciola hepatica infection, and. 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. C this article has been rated as cclass on the projects quality scale. Its life cycle is completed in two hosts, a vertebrate, the sheep and an invertebrate host, which is the snail of the genera planorbis, limnaea and bulinus. Fascioliasis is a worldwide zoonotic infection with fasciola hepatica and fasciola gigantica. The disease caused by the fluke is called fascioliasis also kn. Among domestic animals, the sheep liver fluke fasciola hepatica may cause debilitating and fatal epidemics liver rot in sheep. Introduction cajamarca is a major dairy basin in peru whose productivity has been affected by endemic infection with fasciola hepatica for many years. In one study conducted in this region, an average prevalence of. They are able to produce both sexually and asexually.
Fasciola hepatica definition of fasciola hepatica by. Mid this article has been rated as midimportance on the projects importance scale. It is known as the common liver fluke and causes a disease called fascioliasis. The life cycle, transmission, morphology, clinical presentation, and treatment of the f. Pronunciation of fasciola hepatica with 1 audio pronunciation, 4 synonyms, 1 meaning, 2 translations, 1 sentence and more for fasciola hepatica. Learn about the veterinary topic of fasciola hepatica in ruminants. Fasciolosis caused by fasciola hepatica has a worldwide distribution affecting cattle, sheep, goats, pigs, horses, rabbits and humans as well. It causes major economical losses to the cattle industry estimated in billons of dollars by decreasing milk andor meat production, low reproductive efficiency, liver seizures in slaughterhouses, high costs to control parasitism and. Apparent triclabendazoleresistant human fasciola hepatica infection, the netherlands.
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