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EN
During the period of 2000-2004, 3,096 red foxes from the whole territory of the Slovak Republic were sampled and examined parasitologically for infections with Echinococcus multilocularis, causative agent of serious alveolar echinococcosis in humans. Relations between prevalence of the parasite in individual regions of Slovakia and some environmental factors were weighted. During the study period, great differences of prevalence and infection intensity were found on a regional level and significant between-year fluctuation of both parameters was observed. High-endemic foci with an estimated prevalence of more than 30% were detected in the northern and central part of the country. Climatic conditions, including low mean annual air temperature, high mean annual rainfall and the high humidity of the soil, showed to be important for E. multilocularis distribution. Significant correlation was calculated between prevalence of the tapeworm, mean annual precipitation values, and population density of small mammals.
EN
Toxoplasma gondii is a protozoan parasite of great medical and veterinary importance. The aim of this study was to determine the seroprevalence of toxoplasmosis in wild boars hunted in the Slovak Republic in 2003. Examination of 320 wild boars revealed a seroprevalence of 8.1%. The majority of seropositive wild boars came from the north-western and southern regions of Slovakia. This study indicates that T. gondii infection is common in wild boars in the Slovak Republic, underlines its zoonotic potential and the importance of high standards of hygiene during the handling of game.
EN
Introduction. In the Slovak Republic, trichinellosis circulates almost exclusively in the sylvatic cycle, with main reservoir host red fox and wild boar and sporadic occurrence of human outbreaks. A detailed study was performed in five ecologically different regions of eastern Slovakia with more profound regard to eco-geographical and anthropogenic influences to natural fox habitat. Material and methods. In total of 689 red foxes (Vulpes vulpes) hunted in selected regions in 2005/2006 was examined using artificial digestion method. Larvae obtained from infected samples were on the species level characterised using multiplex PCR analysis. Results. The study revealed a total prevalence of 15.6%, with most frequent occurrence of infected foxes in the mountain of the Volovské Vrchy (25.2%) where both human habitation and fox population are very dense. High prevalence rates were found in the Košická Kotlina Basin (19.6%) with urbanised landscape, concentrated human activities and low fox population and in national park of the High Tatras (15.8%) where the inhabitants and fox population are relatively low. In the remote localities of the Nízke Beskydy Highlands that represent ideal fox habitat free of any human impact, 14.2% of foxes harboured Trichinella larvae. The lowest occurrence of infected foxes (6.9%) was found in agrarian areas of the Východoslovenská Nížina Lowland, with relatively low inhabitants and fox population density. In all localities Trichinella britovi was the most important etiological agent of sylvatic trichinellosis.
EN
The aim of the present study was to collect data from Eastern Slovak Lowland, southern Slovakia, to assess risk of the spread of canine dirofilariosis. Climate and environmental conditions in the Eastern Slovak Lowland are ideally suitable for the occurrence of vector-borne diseases. In the past, an endemic locality of dangerous mosquito transmitted malaria was found in this area. Today, another zoonotic parasitic disease threatens – dirofilariosis. The results of the first detailed study revealed a 34.44% prevalence in dogs harbouring dirofilariae. D. repens was diagnosed in all infected specimen, with 2 individuals being co-infected also with D. immitis.
EN
Mitochondrial ND1 gene sequences were obtained from 56 isolates of E. granulosus from pigs collected in Central and East Europe (Poland, Slovakia and Ukraine) and from 5 isolates of E. granulosus from humans collected in Poland. No differences have been found between isolates from all pigs and between those from pigs and humans; all sequences were identical or very similar to the published sequence of the G7 strain. Additionally, 21 clones of the ITS1 rDNA obtained from 5 isolates of E. granulosus collected from pigs in 3 countries and 1 human isolate from Poland, were sequenced. Our data do not confirm the existence of specific G9 strain of E. granulosus in humans (Scott et al. 1997). Moreover, high sequence divergence found between and within the isolates indicates a strong polymorphism of ITS rDNA copies making use of this gene for identification of E. granulosus strains and reconstruction of their phylogenetic relationships questionable.
EN
The extensive distribution of Echinococcus multilocularis cestode from endemic alpine areas to the parts of Central Europe has been recorded in recent years. The first confirmed finding of E. multilocularis in Slovakia was recorded in 1999 in the area adjacent to the Polish border. At present, this serious zoonosis occurs almost across the whole territory of Slovakia. The occurrence of these tapeworms in red foxes (Vulpes vulpes) at the border regions of Slovakia and Poland has been monitored. In these districts, out of 152 faecal samples examined, 36.2% were positive for the coproantigen-ELISA. With the sedimentation and counting technique the prevalence of E. multilocularis in red foxes was up to 38.8%. The examination of foxes from neighbouring districts revealed worm burden ranging from 1–15,000 specimens, but the majority of animals harboured medium number of tapeworms. In the Small Carpathian and Sub-Carpathian regions of Poland, out of 65 samples examined, 13.8% were coproantigen positive. Using the small intestine scraping method only 6.1% prevalence of E. multilocularis in red foxes was determined, mostly with a high worm burdens over 1,000 specimens. The results suggest possible transborder transmission of E. multilocularis, the causative agent of serious alveolar echinococcosis.
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