First detection of Schmallenberg virus in elk (Alces alces) indicating infection of wildlife in Białowieża National Park in Poland

Larska, Magdalena; Krzysiak, Michał; Smreczak, Marcin; Polak, M.P.; Zmudzinski, J.F.

doi:10.1016/j.tvjl.2013.08.013

Cited by 41 publications

(37 citation statements)

References 8 publications

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“…The first peak of SBV seroprevalence observed in the winter 2012 was shifted with respect to the peak of midges activity, probably due to the later transmission of SBV into the country in late summer, as suggested by this and previous study (13,15). Using quantitative methods like ELISA, it should be also remembered that the observed seroprevalence does not indicate seroconversion at the time of testing.…”

Section: Resultssupporting

confidence: 58%

“…Despite the fact that Poland is often only a transit country, the rest of the areas are located on our territory or close to our borders (Veterinary Officer personal communication), and the imported animals may be the source of infection for our ruminants. Such situation was observed in Bialowieza National Park (Podlaskie province) where up to 100% of European bison have remained SBV seropositive since November 2012 (13). Additionally, the involvement of wildlife as the important reservoirs of SBV needs to be considered when analysing the risk of SBV infection for domestic livestock (22).…”

Section: Resultsmentioning

confidence: 99%

“…or the differences in the virus replication in the vector (14). The presence of SBV has been reported by EFSA in 25 European countries in May 2013, which included over 8000 herds of cattle, sheep, goats, buffaloes, wild cervids, European bison (13), and New and Old World camelids (5). The seroprevalences in cattle and small ruminants reached up to 100%.…”

Section: Introductionmentioning

confidence: 99%

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Spread of Schmallenberg virus infections in the ruminants in Poland between 2012 and 2013

Larska

Kęsik-Maliszewska

Kuta

2014

Bulletin of the Veterinary Institute in Pulawy

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The aim of the study was to evaluate the prevalence of Schmallenberg virus (SBV) specific antibodies in ruminants from 13 Polish provinces, sampled between January 2010 and August 2013. A total number of 1813 serum samples from cattle, sheep, goats, mouflon, wild and farmed cervids, and European bison were tested by ELISA for viral nucleoprotein antibodies. First SBV seropositive animals were identified in August 2012 (1.6%), and the percentage increased gradually, reaching 57.1% in December of this year. The proportion of seropositive animals in 2013 at the level of 34.2% increased tenfold in comparison to 2012 (3.4%), which was particularly significant at the level of individual provinces. In 2013, the highest percentages of SBV seropositive animals were found in Dolnoslaskie (92.3%), Podlaskie (82.3%), and Zachodniopomorskie (80.9%) provinces. Significant associations between the seroprevalence and province of origin, month, ruminant species, and insect vector activity were found, while no dependence of animal age on seropositivity was observed. The differences between SBV seropositive large and small ruminants suggested the involvement of some vector exposure factors, which needs to be further investigated.

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Section: Resultssupporting

confidence: 58%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Spread of Schmallenberg virus infections in the ruminants in Poland between 2012 and 2013

Larska

Kęsik-Maliszewska

Kuta

2014

Bulletin of the Veterinary Institute in Pulawy

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“…Routine necropsies secure valuable material for other research purposes and some emerging diseases threatening animal and human health can be identified expeditiously (20,23). Surveillance over the health status of free-living animals, particularly the endangered species like European bison, is of great importance both for nature conservation in Poland, as well as for the domestic economy, since controlling infectious diseases in wildlife may help to prevent the transmission of pathogens to livestock (36).…”

Section: Discussionmentioning

confidence: 99%

“…gov.uk/animal-diseases/files/poa-btv14-20121130.pdf; Larska et al, in prep.). The transmission of a new Orthobunyavirus called Schmallenberg virus (SBV) to the population of Białowieża European bison in 2012 has also been described (23). New threats notwithstanding, since the early beginnings of European bison introduction, have invariably been exposed to parasitic invasions, especially liver fluke (Fasciola hepatica) and lungworm Dictyocaulus sp.…”

Section: Introductionmentioning

confidence: 99%

Post-Mortem Evaluation of Pathological Lesions in European Bison (Bison Bonasus) in the Białowieża Primeval Forest Between 2008 and 2013

Krzysiak

Dackiewicz

Kęsik-Maliszewska

et al. 2014

Bulletin of the Veterinary Institute in Pulawy

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The study presents the analysis of the findings of 234 post-mortem examinations on free-ranging and captive European bison selectively culled or having fallen between 2008 and 2013 in Białowieża Primeval Forest. Pneumonia, emphysema, nephritis, bodily traumas, and intestinal lesions were observed in 106 (45.3%), 77 (32.9%), 82 (35.0%), 68 (29.1%), and 56 (23.9%) animals respectively and were the most common pathological changes. Almost half of all males (66 out of 140; 47.1%) tested showed some pathological changes of prepuce and penis, described as posthitis or balanoposthitis. Infection with liver fluke (Fasciola hepatica) and lungworm (Dictyocaulus viviparus) was observed macroscopically in 114 (48.7%) and 80 (32.9%) bison respectively. F. hepatica prevalence was associated with the emergence of other liver changes such as hepatitis and cirrhosis (P < 0.001). Similarly, the prevalence of D. viviparus coincided with pneumonia (P = 0.001), changes in the upper respiratory tract (P = 0.04), and emphysema (P < 0.001). Hepatitis, infection with F. hepatica, and pathological lesions in the male and female reproductive tracts were associated with the animals' age. Mechanical injuries, caused by other bison or less commonly by traffic accidents, were the most common cause of death of bison below six months of age. Most pathological changes were significantly more frequent in the selectively culled animals in comparison with the ones having fallen, which confirms the desirability of elimination as a tool to improve the health and welfare of the bison population and limit the number of reservoirs of invasive and possibly infectious diseases.

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Infectious Agents

Kauffold

Hoops²,

Vahlenkamp

2021

Bovine Reproduction

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First detection of Schmallenberg virus in elk (Alces alces) indicating infection of wildlife in Białowieża National Park in Poland

Cited by 41 publications

References 8 publications

Spread of Schmallenberg virus infections in the ruminants in Poland between 2012 and 2013

Spread of Schmallenberg virus infections in the ruminants in Poland between 2012 and 2013

Post-Mortem Evaluation of Pathological Lesions in European Bison (Bison Bonasus) in the Białowieża Primeval Forest Between 2008 and 2013

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