A serological survey and isolation of leptospires from small rodents and wild boars in the Republic of Croatia

Cvetnić, Željko; Margaletić, Josip; Tončić, Josip; Turk, Nenad; Milas, Zoran; Špičić, Silvio; Lojkić, Mirko; Terzić, Svjetlana; Jemeršić, Lorena; Humski, Andrea; Mitak, Mario; Habrun, Boris; Krt, B.

doi:10.17221/5786-vetmed

Cited by 18 publications

(12 citation statements)

References 14 publications

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“…The high prevalence obtained in the category of 'guard/hunting dogs' can be explained by their close and R. Lindtner Knific et al: Seroprevalence of leptospiral antibodies in dogs frequent contact with wild and domestic pigs, which were found to be the most common carriers of Pomona. This serovar was found in wild boars in Croatia with a prevalence of 26% by CVETNIĆ et al, (2003) as well as in Slovenia with a prevalence of 45% by VENGUŠT et al (2008).…”

Section: Discussionmentioning

confidence: 86%

Seroprevalence of leptospirosis in various categories of dogs in Bosnia and Herzegovina

Knific¹,

Ćutuk²,

Gračner³

et al. 2019

Vet. arhiv

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The increasing number of stray dogs and the lack of sufficient data on the prevalence of leptospirosis among dogs were the main reasons for conducting this research in different populations of dogs on the territory of Bosnia and Herzegovina. A total of 300 serum samples were tested from three different categories of dogs of various breeds from 12 cities. Twelve leptospiral serovars were used in the microscopic agglutination test (MAT). The presence of specific antibodies was confirmed for eight serovars. The proportion of seropositive dogs was 22.3% (67/300). The highest seropositivity (n = 38; 42.7%) was found for the serovar Pomona. The seropositivity rates found for the other serovars tested were as follow: Canicola (14.6%), Icterohaemorrhagiae (13.5%), Sejroe (12.4%), Autumnalis (12.4%), Grippotyphosa (2.2%), Bratislava (1.1%), and Australis (1.1%). The highest number of positive responses was obtained at the serum dilution of 1:100 (39.3%, n = 35). The highest number of positive reactions was identified in the category of 'house dogs' (29.3%, 29/99) followed by 'stray dogs' (21.6%, 24/111), while the lowest number of positive tests was recorded in the category of 'guard/ hunting dogs' (15.6%, 14/90). Vaccination with tetravalent vaccines, including the serovars Icterohaemorrhagiae, Canicola, Pomona and Grippotyphosa could be an effective measure for the prevention of canine leptospirosis.

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Section: Discussionmentioning

confidence: 86%

Seroprevalence of leptospirosis in various categories of dogs in Bosnia and Herzegovina

Knific¹,

Ćutuk²,

Gračner³

et al. 2019

Vet. arhiv

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“…In the present study, the prevalence in rodents was lower than reported previously. In Croatia, Cvetnic´et al found 23% of house mice positive by serology [47] and Krojgaard and colleagues detected Leptospira spp. by PCR in 53% of sewer rats in Copenhagen [48].…”

Section: Pathogens Identifiedmentioning

confidence: 99%

Occurrence of pathogens in wild rodents caught on Swedish pig and chicken farms

et al. 2012

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A total of 207 wild rodents were caught on nine pig farms, five chicken farms and five non-farm locations in Sweden and surveyed for a selection of bacteria, parasites and viruses. Lawsonia intracellularia and pathogenic Yersinia enterocolitica were only detected in rodents on pig farms (9% and 8% prevalence, respectively) which indicate that these agents are more likely to be transmitted to rodents from pigs or the environment on infected farms. Brachyspira hyodysenteriae (1%), Brachyspira intermedia (2%), Campylobacter jejuni (4%), Campylobacter upsaliensis (2%), leptospires (7%) and encephalomyocarditis virus (9%) were also detected from rodents not in contact with farm animals. Giardia and Cryptosporidium spp. were common, although no zoonotic types were verified, and Salmonella enterica was isolated from 1/11 mice on one farm but not detected by PCR from any of the rodents. Trichinella spp. and Toxoplasma gondii were not detected.

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“…Leptospirosis is an emerging/re-emerging, worldwide, contagious, bacterial zoonotic disease that affects all mammals, including humans, livestock and wildlife [ 1 , 2 ]. The disease is caused by different serovars of pathogenic species of the genus Leptospira [ 1 , 2 ], which is common in tropical and subtropical regions, wherever environmental conditions favour the survival and transmission of the bacterium [ 3 , 4 ]. Leptospirosis was first identified by Weil (1886) and Inada (1916) [ 5 ].…”

Section: Introductionmentioning

confidence: 99%

Predominant Leptospiral Serogroups Circulating among Humans, Livestock and Wildlife in Katavi-Rukwa Ecosystem, Tanzania

et al. 2015

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BackgroundLeptospirosis is a worldwide zoonotic disease and a serious, under-reported public health problem, particularly in rural areas of Tanzania. In the Katavi-Rukwa ecosystem, humans, livestock and wildlife live in close proximity, which exposes them to the risk of a number of zoonotic infectious diseases, including leptospirosis.Methodology/Principal FindingsA cross-sectional epidemiological study was carried out in the Katavi region, South-west Tanzania, to determine the seroprevalence of Leptospira spp in humans, domestic ruminants and wildlife. Blood samples were collected from humans (n = 267), cattle (n = 1,103), goats (n = 248), buffaloes (n = 38), zebra (n = 2), lions (n = 2), rodents (n = 207) and shrews (n = 11). Decanted sera were tested using the Microscopic Agglutination Test (MAT) for antibodies against six live serogroups belonging to the Leptospira spp, with a cutoff point of ≥ 1:160. The prevalence of leptospiral antibodies was 29.96% in humans, 30.37% in cattle, 8.47% in goats, 28.95% in buffaloes, 20.29% in rodents and 9.09% in shrews. Additionally, one of the two samples in lions was seropositive. A significant difference in the prevalence P<0.05 was observed between cattle and goats. No significant difference in prevalence was observed with respect to age and sex in humans or any of the sampled animal species. The most prevalent serogroups with antibodies of Leptospira spp were Sejroe, Hebdomadis, Grippotyphosa, Icterohaemorrhagie and Australis, which were detected in humans, cattle, goats and buffaloes; Sejroe and Grippotyphosa, which were detected in a lion; Australis, Icterohaemorrhagie and Grippotyphosa, which were detected in rodents; and Australis, which was detected in shrews. Antibodies to serogroup Ballum were detected only in humans.ConclusionsThe results of this study demonstrate that leptospiral antibodies are widely prevalent in humans, livestock and wildlife from the Katavi-Rukwa ecosystem. The disease poses a serious economic and public health threat in the study area. This epidemiological study provides information on circulating serogroups, which will be essential in designing intervention measures to reduce the risk of disease transmission.

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A serological survey and isolation of leptospires from small rodents and wild boars in the Republic of Croatia

Cited by 18 publications

References 14 publications

Seroprevalence of leptospirosis in various categories of dogs in Bosnia and Herzegovina

Seroprevalence of leptospirosis in various categories of dogs in Bosnia and Herzegovina

Occurrence of pathogens in wild rodents caught on Swedish pig and chicken farms

Predominant Leptospiral Serogroups Circulating among Humans, Livestock and Wildlife in Katavi-Rukwa Ecosystem, Tanzania

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