Leptospira antibodies in wild boars (Sus scrofa) in Slovenia

Vengušt, Gorazd; Lindtner-Knific, Renata; Žele, Diana; Bidovec, A.

doi:10.1007/s10344-008-0178-7

Cited by 24 publications

(33 citation statements)

References 13 publications

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“…Nevertheless, significant statistical differences (P > 0·05) were not found ( Table 2). These findings corroborate the data presented in studies from Slovenia [6], Germany [14] and the Czech Republic [9].…”

supporting

confidence: 94%

“…This finding is consistent with other serosurvey studies in which low titres were frequently observed [6,9,10]. This fact is the reason why, for further statistical analysis, the authors considered sera samples with titres 51:50 as positive, bearing in mind that in epidemiological studies it is much more important to establish the animals' exposure to the aetiological agent independently of determining if there is any evidence of current infection [8,11].…”

supporting

confidence: 87%

“…The seropositivity rate obtained in this study is greater than those observed comparatively in other European countries such as Sweden (3·1%) [12], Italy (6%) [10], Spain (14·4%) [13], Germany (18%) [14] and the Czech Republic (16·9%) [9], but lower than the rates reported in Slovenia (45·8%) [6] and Croatia (35·0%) [15].…”

contrasting

confidence: 72%

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Prevalence of Leptospira antibodies in wild boars (Sus scrofa) from Northern Portugal: risk factor analysis

et al. 2014

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Leptospirosis is a zoonosis of worldwide distribution, caused by infection with pathogenic spirochaetes of the genus Leptospira. The wild boar (Sus scrofa), an important hunting species in Europe, seems to play a significant role in the epidemiological cycle of leptospirosis. A total of 101 serum samples from wild boar hunted in Northern Portugal were analysed for leptospiral antibodies detection by microscopic agglutination test. Sera were collected during hunting seasons (2011-2013) and tested with 17 different pathogenic serovars of Leptospira. Antibodies against nine serovars were detected in 66 (65·4%) of these sera. Serovars Tarassovi and Altodouro exhibited the highest seroreactivity rates (23·8% and 16·8%, respectively), followed by Autumnalis (7·9%) and Bratislava (6·9%). Age and district of origin were found to be risk factors for the presence of leptospiral antibodies in contrast to gender. From a One Health perspective, this study revealed that wild boar should be considered as a potential source of leptospirosis dissemination for humans and animal species (domestic and wild) in shared environments, particularly in the Trás-os-Montes region.

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supporting

confidence: 94%

supporting

confidence: 87%

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Prevalence of Leptospira antibodies in wild boars (Sus scrofa) from Northern Portugal: risk factor analysis

et al. 2014

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“…Feral swine social groups, called sounders, are comprised of sows and their offspring. This distinction between sexes (Table 1) was not replicated in other studies [25,26], but may have been merely a function of sample size since we sampled at least five times the number of animals as these other studies. As a result, males occupy larger home ranges than females [24].…”

Section: Discussionmentioning

confidence: 79%

Widespread detection of antibodies toLeptospirain feral swine in the United States

et al. 2014

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As feral swine continue to expand their geographical range and distribution across the United States, their involvement in crop damage, livestock predation, and pathogen transmission is likely to increase. Despite the relatively recent discovery of feral swine involvement in the aetiology of a variety of pathogens, their propensity to transmit and carry a wide variety of pathogens is disconcerting. We examined sera from 2055 feral swine for antibody presence to six serovars of Leptospira that can also infect humans, livestock or domestic animals. About 13% of all samples tested positive for at least one serovar, suggesting that Leptospira infection is common in feral swine. Further studies to identify the proportion of actively infected animals are needed to more fully understand the risk they pose.

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“…Although serological prevalence of leptospirosis in feral swine has been examined in the United States and other countries [11,[13][14][15][16][17], we are unaware of any national scale efforts in the United States to quantify leptospiral shedding in the species. Since pathogenic leptospires have a predilection for the kidneys of infected swine [4], we tested kidneys and paired serum of feral swine collected in counties previously identified as antibody positive [11].…”

Section: Introductionmentioning

confidence: 99%

Evidence of leptospirosis in the kidneys and serum of feral swine (Sus scrofa) in the United States

et al. 2016

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SUMMARYLeptospirosis is the most widespread zoonosis in humans worldwide. In the United States, widespread detection of antibodies to leptospirosis have been identified in feral swine (Sus scrofa) with the highest detection of serovars, Bratislava, Icterohaemorrhagiae, and Pomona. Over the past few years, feral swine populations have expanded their geographical range and distribution in the United States with reports in at least 39 of 50 states. Since feral swine serve as reservoirs for serovars that can infect humans, it is important to understand the risk of transmission. In order to learn more about the probability that feral swine shed infectious leptospires, we collected kidneys and paired serum when possible from 677 feral swine in 124 counties of 29 states. These counties had previously been identified as antibody positive for Leptospira interrogans serovars Bratislava, Canicola, Grippotyphosa, Hardjo, Icterohaemorrhagiae or Pomona. Although exposure to these same six serovars of leptospirosis continued to be high (53% overall) in the counties we sampled, we detected leptospiral DNA in only 3·4% of feral swine kidneys tested. Based on these results, it appears that although feral swine can serve as a source of infection to humans, especially in those who are more likely to encounter them directly such as wildlife biologists, veterinarians, and hunters, the risk may be relatively low. However, further studies to examine the relationship between leptospiral shedding in the urine and kidneys in addition to culturing the organism are recommended in order to better understand the risk associated with feral swine.

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Leptospira antibodies in wild boars (Sus scrofa) in Slovenia

Cited by 24 publications

References 13 publications

Prevalence of Leptospira antibodies in wild boars (Sus scrofa) from Northern Portugal: risk factor analysis

Prevalence of Leptospira antibodies in wild boars (Sus scrofa) from Northern Portugal: risk factor analysis

Widespread detection of antibodies toLeptospirain feral swine in the United States

Evidence of leptospirosis in the kidneys and serum of feral swine (Sus scrofa) in the United States

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