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1

Genetic characterization of the giant liver fluke, Fascioloides magna (Platyhelminthes: Fasciolidae) from the Adirondack Region of Northern New York

100%
Parker A., David A. A.
Acta Parasitologica
|
2021
|
tom 66
|
nr 1
2

Fascioloides magna pasożytem sarny w Borach Zielonogórskich

100%
Demiaszkiewicz A. W., Kowalczyk R., Filip K. J., Pyziel A. M.
Medycyna Weterynaryjna
|
2018
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tom 74
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nr 04
The aim of this study was to determine the prevalence of infection with F. magna flukes in roe deer from the conifer forest Bory Zielonogórskie. Parasitological dissection was performed on 20 roe deer hunted in May 2016. Faecal samples from the animals were examined by the decantation method. One roebuck was verified to be infected with F. magna, which yielded a prevalence of 5%. We noted fibrinous deposits on the diaphragmatic surface of the liver with adhesions to the diaphragm, as well as five dark-coloured nodular protrusions on the liver surface. In the cross section view of the infected liver, we saw five pseudocysts corresponding to the nodular protrusions observed on the liver surface. Three of the pseudocysts were filled with dark brown liquid containing a few flukes, their eggs and cell detritus. The other two pseudocysts contained dark fluid and fragments of dead flukes. Although, no liver fluke eggs were detected in the faeces, thousands of eggs were found in the pseudocysts. Previous studies in Poland revealed two foci of this parasitosis: in south-western and south-eastern parts of the country. It is possible that the range of both foci is expanding due to red deer migrations and the spread of infected water snails and larval forms of the parasite in watercourses and rivers. Fascioloides magna infection is a threat for cervids and domestic ruminants. Therefore, it is important to monitor the occurrence of this fluke in Poland. It is essential to determine the range of fascioloidosis, examine the intermediate host species and record cases of F. magna infection in domestic ruminants.
3

Fascioloides magna pasożytem jeleni w Borach Dolnośląskich

100%
Demiaszkiewicz A. W., Pyziel A. M., Kuligowska I., Lachowicz J.
Medycyna Weterynaryjna
|
2016
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tom 72
|
nr 02
Fascioloides magna, a liver trematode introduced into Europe in the 19th century from North America is an important parasite of wild and domestic ruminants. In order to confirm the occurrence of this fluke in Poland, a parasitological autopsy was conducted on 30 deer shot in the winter of 2013/2014 in Lower Silesian Wilderness. In addition, samples of faeces of those animals were examined by a decantation method. It was found that two doe were infected with F. magna flukes, so the prevalence amounted to 6.6%. Two specimens of flukes were found in the liver of one doe, and nine were found in the other. The livers were enlarged, and dark brown or black blotchy pigmentation and fibrinous tags were observed on their surface and on the section. In the parenchyma of the organ, numerous wholes capsules (pseudocysts) were found. They were filled with bloody or dark brown liquid, in which flukes were located. Many parasite eggs were also found in faeces.
4

Zarażenie jeleni pasożytami w południowo-zachodniej Polsce (Bory Dolnośląskie)

80%
Demiaszkiewicz A. W., Merta D., Kobielski J.
Medycyna Weterynaryjna
|
2016
|
tom 72
|
nr 05
The objective of the study was to determine the composition of the fauna of parasites and the state of infestation by parasites in red deer living in the Lower Silesian wilderness. In order to identify the stomach and intestinal nematodes, the abomasa of nine red deer harvested in the Ruszów Forest District were subjected to full helminthological dissection, coupled with sedimentation of the content. The obtained sediments were preserved in 1-2% formaldehyde solution. In the lab, the preserved sediments from the abomasa were separately diluted in water, thoroughly stirred, and a sample of one-tenth was collected from each. Each sample was then checked in small portions, and all nematodes were isolated. The nematodes collected were preserved in 75% ethyl alcohol with 5% addition of glycerol. In order to determine the infestation by pulmonary nematodes and by trematodes, 73 samples of red deer feces were examined using decantation and Baermann methods. The intensity of invasion was measured as the number of larvae found in 3 g of feces. Additionally, 10 × 10 cm samples of skin and subcutaneous connective tissue were taken from the back regions of 14 red deer, and parasites were isolated from them. A total of ten species of parasites typical of red deer were found: five species of stomach and intestinal nematodes – Spiculopteragia boehmi, Ostertagia leptospicularis, Ostertagia kolchida, Spiculopteragia mathevossiani and Aonchotheca (Capillaria) bovis; three species of pulmonary nematodes – Elaphostrongylus cervi, Varestrongylus sagittatus and Dictyocaulus eckerti; one species of nematode living in tissues – Onchocerca flexuosa, as well as a gadfly Hypoderma diana. Moreover, two alien, invasive species were found: Ashworthius sidemi – a nematode originating from south-eastern Asia and Fascioloides magna – an American trematode. Both of them pose a threat to wild and domestic ungulates. Further research is necessary to determine the extent of infestation concentrations caused by the aforementioned parasites.
5

Mitochondrial genotyping of Fascioloides magna from Bavaria, Germany

80%
Bazsalovicsova E., Juhasova L., Kralova-Hromadova I., Rehbein S.
Acta Parasitologica
|
2017
|
tom 62
|
nr 4
6

Amerykańska przywra Fascioloides magna pasożytem jeleniowatych w Polsce

80%
Demiaszkiewicz A. W.
Magazyn Weterynaryjny
|
2016
|
tom 25
|
nr 02
7

Is Radix peregra a new intermediate host of Fascioloides magna [Trematoda] in Europe? Field and experimental evidence

80%
Faltynkova A., Horackova E., Hirtova L., Novobilsky A., Modry D., Scholz T.
Acta Parasitologica
|
2006
|
tom 51
|
nr 2
Rediae and immature cercariae of the giant liver fluke, Fascioloides magna, a pathogenic and important parasite of game animals, were found in 6 out of 7,277 Radix peregra (Gastropoda, Lymnaeidae) from two localities in Western and Central Bohemia, Czech Republic. In one of these localities a relatively high infection of Galba truncatula (26 out of 76) with mature cercariae of F. magna was detected. R. peregra, which is dominant over Galba truncatula, has never been reported as the natural intermediate host of F. magna. Its potential susceptibility to F. magna infection was confirmed experimentally with 67 snails of R. peregra (out of 371) infected. The present data indicate the capability of F. magna to expand the spectrum of its intermediate hosts and demonstrate the potential epizootiological importance of lymnaeid snails, other than G. truncatula, for transmission of the parasite in Europe.
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