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1

Urban and forest-living blackbirds Turdus merula as hosts of Borreliella spp. infected ticks

100%
Gryczynska A.
Polish Journal of Ecology
|
2018
|
tom 66
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nr 3
The effect of urbanisation on parasite prevalence, especially these associated with human diseases, such as Lyme borreliosis, is of high interest. The blackbird Turdus merula is a ground-feeding species particularly predisposed to constitute a Borreliella spp. (Lyme borreliosis causative agent) reservoir. So, the aim of the study was to examine if the tick infestation level and their Borreliella spp. infection prevalence differs in blackbirds resident in two disparate habitats in Poland – one highly urbanized (in Warsaw agglomeration) and the other forested (in Mazurian Lake region). The infection in ticks feeding on blackbirds was ascertained based on detection of bacterium DNA (PCR). The prevalence of tick infestation in urban and forest-living blackbirds was similar (90 and 91.7%, respectively) but the mean number of parasites per bird was markedly greater in the forest (4.0 ind.) than in the urban populations (1.5 ind.). Even though, the Borreliella spp. infection of the ticks was significantly greater in the urban (46.7%) than in forest habitat (35.4%). Additionally, in the urban site more birds carry at least one infected tick than in the forest. The results of the study seem to confirm the role of blackbirds in establishing Borreliella spp. reservoir. Special regard should be given to highly urbanized areas, where the relative increase in the relevance of birds as tick hosts and pathogen transmitters may pose high risk to public health. Thus, the study constitutes a small-scale but an important contribution to our understanding of the role of birds in maintenance of Borreliella spp. foci in urban habitats.
2
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Effect of different contents of proteins and vitamin B2 in the feed on the prevalence and infection intensity of Ascaridia galli in chickens

100%
Jablonowski Z., Sudol K., Dziekonska-Rynko J., Dzika E.
Wiadomości Parazytologiczne
|
2002
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tom 48
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nr 4
A group of 10-day-old chickens was experimentally infected with a dose of 500 infective eggs of Ascaridia galli (Schrank, 1788) (Nematoda). Forty-nine days post infection the chickens were necropsied and the infection intensily and prevalence were determined. The group maintained on the feed containing 11% of protein showed higher infection intensity and prevalence compared to the chickens fed a diet containing 19% of protein. The addition of vitamin B₂ to the feed containing 11% protein resulted in lower intensity and prevalence of the infection. In both series of experiments no effect of Zn-bacitracin or vitamin B₂ on infection intensity or prevalence was observed for chickens fed feed containing 19% of protein.
3
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Stickleback as a potential paratenic host in the Anisakis simplex life cycle in the Baltic Sea: results of experimental infection

100%
Rolbiecki L., Janc A., Rokicki J.
Wiadomości Parazytologiczne
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2001
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tom 47
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nr 3
Anisakis simplex stage 3 larvae found in herring were used to experimentally infect 155 sticklebacks and 6 nine-spined sticklebacks, caught in the Gdynia marina (Gulf of Gdańsk). The larvae were observed in the fish body cavity as early as 24 h after infection, only the sticklebacks being affected. Altogether, 50 live and 2 dead larvae were found in the stickleback body cavity. The infection prevalence and mean intensity were 13.6% and 2.4 larvae, respectively, from 1 to 8 larvae per fish being recorded. It is concluded that the stickleback may serve as a paratenic host for Anisakis simplex.
4
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Experimental infection of Carassius auratus [L., 1758] with the second stage larvae of the nematode Contracaecum rudolphii Hartwich, 1964

80%
Dziekonska-Rynko J., Rokicki J., Wziatek B.
Wiadomości Parazytologiczne
|
2008
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tom 54
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nr 4
339-343
5

Eucoleus contortus (Creplin, 1839) nematode in mallard (Anas platyrhynchos Linnaeus, 1758) from North-Western Poland

80%
Betlejewska K. M., Kalisinska E., Kornyushin V. V., Salamatin R.
Electronic Journal of Polish Agricultural Universities. Series Veterinary Medicine
|
2002
|
tom 05
|
nr 1
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