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The first case of autochthonous subcutaneous dirofilariasis (Dirofilaria repens) in a dog from Bialowieza (NE Poland) and possible threat posed to inhabitants of Bialowieza Primeval Forest area.

ABSTRACT: We present the first case of dirofilariasis in a dog from Bia?owie?a village located in the primeval European forest-Bia?owie?a Primeval Forest (NE Poland). Molecular analysis of adult nematode specimens isolated from subcutaneous tissue confirmed the infection with Dirofilaria repens. An adult male dog has not travelled out of the Bia?owie?a village for at least five years; therefore, we assume this is the autochthonous case of the disease. We discuss possible inter- and intra-species transmission routes of dirofilariasis on this territory, which is inhabited by diverse community of wild carnivores, domestic animals, and humans. We also discuss the likely sources of the disease in this, highly biodiverse unique European forest complex. We underline the lack of attention to this problem and its importance for veterinary, wildlife, and human health safety.

SUBMITTER: Kolodziej-Sobocinska M

PROVIDER: S-EPMC7846540 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature

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The first case of autochthonous subcutaneous dirofilariasis (Dirofilaria repens) in a dog from Białowieża (NE Poland) and possible threat posed to inhabitants of Białowieża Primeval Forest area.

Kołodziej-Sobocińska Marta M Miniuk Mariusz M Tokarska Małgorzata M

Parasitology research 20201117 1

We present the first case of dirofilariasis in a dog from Białowieża village located in the primeval European forest-Białowieża Primeval Forest (NE Poland). Molecular analysis of adult nematode specimens isolated from subcutaneous tissue confirmed the infection with Dirofilaria repens. An adult male dog has not travelled out of the Białowieża village for at least five years; therefore, we assume this is the autochthonous case of the disease. We discuss possible inter- and intra-species transmiss ...[more]

PMID: 33205237

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Project description:The European bison is the largest terrestrial mammal in Europe. After extinction in the wild at the beginning of the twentieth century, it was re-introduced to Białowieża Forest and other woodlands in Eastern Europe. In this paper, we analysed the movements of European bison beyond the continuous woodlands of the Białowieża Forest (NE Poland) between 1964 and 2010. In total, 1,117 direct observations of bison were collected. The number of males moving out of the forest fluctuated during the study period, whilst the number of females steadily increased. The number of male observations outside of the forest per annum was dependent on the population size and snow depth, whilst the number of cows in mixed groups moving outside of the forest was correlated with the population size only. Males were observed mainly alone (50 % of observations) or in small groups of two to three individuals (25 %); however, distribution of group size differed from those observed in the population. There was a significant difference between the direction of movement of males and females out of the forest-males moved mainly west and southwest, whilst females moved to the north. This was also significantly different from the expected movement direction. The mean distance of bison observations from the forest border was 1.8 ± 0.13 km and did not differ significantly between sexes. After 1990, males were observed significantly farther away from the forest (2.2 km) than in the previous years (0.9 km). Most observations (94 % of bulls and 93 % of cows) were up to 5 km from the forest edge. The range of bison in the vicinity of the Białowieża Forest was strictly seasonal. Most observations (78 % in males and 88 % in females) were recorded from November to April. Increasing utilisation of areas beyond the forest habitats may be driven by different factors but most probably it is related to range expansion and the bison's preference for open habitats. The strong seasonal pattern of bison movements indicate that the partial seasonal migrations were initiated in the Białowieża population.

Dataset Information

The first case of autochthonous subcutaneous dirofilariasis (Dirofilaria repens) in a dog from Bialowieza (NE Poland) and possible threat posed to inhabitants of Bialowieza Primeval Forest area.

Publications

The first case of autochthonous subcutaneous dirofilariasis (Dirofilaria repens) in a dog from Białowieża (NE Poland) and possible threat posed to inhabitants of Białowieża Primeval Forest area.

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