نتایج جستجو برای: paramphistomidae flukes

تعداد نتایج: 767  

Journal: :Ruminants 2023

Rumen fluke (RF) are trematode parasites that have increased in prevalence within European ruminant livestock since the 1990s. Morbidity and mortality can result from development of juvenile flukes duodenum, however, evidence for significant impacts adult rumen final host is equivocal. The presence Scotland had not previously been quantified, so purpose this study was to use historical coprolog...

Journal: :Wiadomosci parazytologiczne 2009
Joanna Hildebrand Grzegorz Zaleśny

Trematodes of the class Digenea are parasites with complex life cycles and often use small mammals as definitive hosts; however, they are usually not highly prevalent in this group of mammals. In our work the patterns of occurrence of digeneans parasitizing small mammals were analyzed. The surveys were conducted at four locations, i.e., irrigation fields (Osobowice), a water distribution area (...

2007
Ismail M. Shalaby Manal B. Jamjoom

Electron microscopy has proved to be a very helpful those at posterior end consisting of powerful adhesive instrument in the study of biology in general. Since it has disks usually provided with chitinoid hooks or anchors; been invented a lot of information has accumulated in with single host, parasites of cold-blooded aquatic different aspects of biology. Studying the ultrastructure vertebrate...

Journal: :iranian journal of veterinary research 2008
b. meshgi a. eslami f. hemmatzadeh

human fascioliasis due to unknown species and animal fascioliasis caused by both or one of fasciola spp. are commonly seen in iran. to compare electrophoretic patterns of somatic and excretory-secretory antigens of f. hepatica and f. gigantica  by sodium dodecyl sulphate polyacrylamide gel electrophoresis (sds-page), the adult flukes were collected from infected slaughtered bovine livers. e/s a...

2014
Sofie Nissen Lan Anh Thi Nguyen Stig Milan Thamsborg Anders Dalsgaard Maria Vang Johansen

BACKGROUND Fish-borne zoonotic trematodes (FZT) infections including liver- and minute intestinal flukes are common in Southeast Asia in both humans and domestic animals eating raw fish and since 2010, the liver flukes are recognised as neglected tropical diseases by WHO. Mass drug treatment with praziquantel is advised for humans, but no recommendations for control of the FZT in the reservoir ...

2015
Vladimir Y. Ovchinnikov Dmitry A. Afonnikov Gennady V. Vasiliev Elena V. Kashina Banchob Sripa Viacheslav A. Mordvinov Alexey V. Katokhin

BACKGROUND Opisthorchis felineus, O. viverrini, and Clonorchis sinensis (family Opisthorchiidae) are parasitic flatworms that pose a serious threat to humans in some countries and cause opisthorchiasis/clonorchiasis. Chronic disease may lead to a risk of carcinogenesis in the biliary ducts. MicroRNAs (miRNAs) are small noncoding RNAs that control gene expression at post-transcriptional level an...

2014
Herman F. Wunderink Wouter Rozemeijer Peter C. Wever Jaco J. Verweij Lisette van Lieshout

determination of eggs of opisthorchiid and heterophyid flukes using scanning electron microscopy. Dekumyoy P, et al. Discovery of Opis-thorchis lobatus (Trematoda: Opisthorchi-idae): new recorded species of small liver flukes in the greater Mekong sub-region. diagnosis of opisthorchiid and hetero-phyid metacercariae (Trematoda) infecting fish of cyprinid fish from Nam Ngum Dam. Foodborne Tremat...

2011
Manuel Calvopiña William Cevallos Hideo Kumazawa Joseph Eisenberg

Amphimerus spp. flukes are known to infect mammals, but human infections have not been confirmed. Microscopy of fecal samples from 397 persons from Ecuador revealed Opisthorchiidae eggs in 71 (24%) persons. Light microscopy of adult worms and scanning electron microscopy of eggs were compatible with descriptions of Amphimerus spp. This pathogen was only observed in communities that consumed und...

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