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Fasciola gigantica causes outbreaks in tropical areas of South Asia, Southeast Asia, and Africa.The geographical distribution of F. gigantica overlaps with F. hepatica in many African and Asian countries and sometimes in the same country, although in such cases, the ecological requirement of the flukes and their snail hosts are distinct.
Fasciola, commonly known as the liver fluke, is a genus of parasitic trematodes. There are three species within the genus Fasciola : Fasciola nyanzae, Fasciola hepatica and Fasciola gigantica . Fasciola hepatica and F. gigantica are known to form hybrids .
Stiles made a complete morphological description of the adult fluke and named it Fasciola magna (Bassi 1875) Stiles 1894. [4] In 1917, Ward showed that owing to the lack of the distinct anterior cone and the fact that vitellaria are confined to the region ventral to the intestinal branches , he established a new genus Fascioloides and rename it ...
Fasciolidae is a family of trematodes and includes several parasites involved in the veterinary and medical sciences, which cause the disease Fasciolosis.Fasciolidae is divided into five genera by Olson et al. 2003.
In North America, Pseudosuccinea columella is major intermediate host of Fasciola hepatica. [4] [18] The species also serve as a snail host for Fascioloides magna. [19] Also serves as host for Fasciola gigantica [20] & Fasciola nyanzae [21] [22] Also serves as a host for the cercariae of the trematode Telorchis sp. [23]
Fasciolopsis buski is a large, dorsoventrally flattened fluke characterized by a blunt anterior end, undulating, unbranched ceca (sac-like cavities with single openings), tandem dendritic testes, branched ovaries, and ventral suckers to attach itself to the host.
Microscopic identification of eggs, or more rarely of the adult flukes, in the stool or vomitus is the basis of specific diagnosis. The eggs are indistinguishable from those of the very closely related Fasciola hepatica liver fluke, but that is largely inconsequential since treatment is essentially identical for both.
Fasciola gigantica; H. Fasciola hepatica This page was last edited on 30 December 2013, at 11:10 (UTC). Text is available under the Creative Commons ...