Seroprevalence of Leptospira spp. in Clinically Healthy Racing Horses in Korea

Jung, Byeong Yeal; Lee, Kyung-Woo; Ha, Taewoo

doi:10.1292/jvms.09-0273

Cited by 33 publications

(37 citation statements)

References 15 publications

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“…In Sweden, ponies and coldbloods had a lower odds ratio of seropositivity to serovar Icterohaemorrhagiae infection compared with other breeds (Baverud et al 2009). This is also in agreement with the findings from Korea where a low seroprevalence was found in Thoroughbred horses used for racing due to high level of management and care associated with this breed (Jung et al 2010). In this study, the high seroprevalence of serovar Bratislava was found among Nooitgedacht horses (66.67%).…”

Section: Demographic Factorssupporting

confidence: 92%

“…Another study in Korea has shown this seasonal variation where more antibodies against Leptospira serovars were detected in summer and autumn compared to spring and winter (Jung et al 2010).…”

Section: Risk Factorsmentioning

confidence: 82%

“…In the present study, the reported apparent prevalence of Leptospira at a serum dilution of 1:100 in Gauteng, KwaZulu-Natal and Western Cape Provinces was 49%; 37% and 32%, respectively. Studies conducted in different parts of the world have reported a prevalence of Leptospira in horses ranging from 12.8% to 79% (Park et al 1992, Barwick et al 1998, Rocha et al 2004, Odontsetseg et al 2005, Jung et al 2010, Houwers et al 2011. Within the same region or countries, variations of the prevalence have been also reported like in Brazil (Coiro et al 2012, de Oliveira Filho et al 2014, USA (Sillerud et al 1987, Donahue et al 1995, Barwick et al 1998, Donahue and Williams.…”

Section: Apparent Prevalence Of Leptospira Serovars In Three Provincesmentioning

confidence: 99%

“…1999); (Faber et al 2000); (Donahue and Williams. 2000) Grippotyphosa, Icterohaemorrhagiae Europe (Donahue et al 1995); (Dwyer et al 1995); (Wollanke et al 2001) Bratislava, Icterohaemorrhagiae, Sejroe Sweden (Baverud et al 2009) Bratislava Mongolia (Odontsetseg et al 2005) Icterohaemorrhagiae, Copenhageni, Bratislava Brazil (Hashimoto et al 2007); (Braga et al 2011); (Coiro et al 2012); (Hamond et al 2012); (Pinna et al 2012); (Hamond et al 2013); (Pinna et al 2014) Icterohaemorrhagiae, Bratislava, Pomona Italy (Ebani et al 2012) Sejroe, Bratislava Korea (Jung et al 2010) Copenhageni, Bratislava Netherlands (Houwers et al 2011) Bratislava, Pomona Icterohaemorrhagiae Croatia Grippotyphosa, Sejroe Nothern Poland (Arent and KedzierskaMieszkowska. 2013) Copenhageni South-eastern Australia (Dickeson and Love.…”

Section: Common Serovars Affecting Horses and Their Geographical Locamentioning

confidence: 99%

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A study of leptospirosis in South African horses and associated risk factors

Simbizi

Saulez²,

Potts

et al. 2016

Preventive Veterinary Medicine

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between potential risk factors and both seropositive horses to the predominant serovar Bratislava and to Leptospira spp were statistically evaluated using univariable analysis and multivariable logistic regression models.Adult horses admitted to each equine hospital and horses seen on ambulatory service for various purposes were included in the study. Severely-ill, chronically infected, and horses with underlying immunosuppressive conditions were excluded from sampling, to control for potential bias.A total of 663 horse sera were collected and tested against a panel of 24 leptospiral serovars using the microscopic agglutination test. The most predominant serovars in Gauteng were The apparent prevalence to one or more serovars of Leptospira spp at a serum dilution of 1:100 in Gauteng, KwaZulu-Natal and Western Cape Provinces was 49%; 37% and 32% respectively. The true prevalence was calculated for each province taking into account the clustering effect during the sampling and was found to be between 24-74% in Gauteng; 26-39% in the Western Cape and 20-54% in KwaZulu-Natal.iv Nooitgedacht (South African horse breed) horses were found to be at greater risk of being seropositive to both serovar Bratislava (OR=5.08) and Leptospira spp (OR=6.3). Similarly, horses residing on properties with forestry in the vicinity were found to be at greater risk of being seropositive to both serovar Bratislava (OR=9.3) and Leptospira spp (OR=5.2). This study has shown that a high proportion of horses in South Africa are exposed to a wide range of serovars, inferring a complex epidemiology. It also describes for the first time new serovars of Leptospira in South African horses that have not previously been reported.v

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Section: Demographic Factorssupporting

confidence: 92%

Section: Risk Factorsmentioning

confidence: 82%

Section: Apparent Prevalence Of Leptospira Serovars In Three Provincesmentioning

confidence: 99%

Section: Common Serovars Affecting Horses and Their Geographical Locamentioning

confidence: 99%

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A study of leptospirosis in South African horses and associated risk factors

Simbizi

Saulez²,

Potts

et al. 2016

Preventive Veterinary Medicine

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“…5), indicating that other factors or indirect links must be involved. Still, regional differences in prevalence may be partly related to climatic conditions as leptospires excreted by infected animals can remain infectious for long periods of time in humid climates (Jung et al, 2010), whereas they have less chance of propagating the infection in drier areas.…”

Section: Discussionmentioning

confidence: 99%

Spatial characterization of Leptospira spp. infection in equids from the Brejo Paraibano micro-region in Brazil

et al. 2014

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Abstract. The present study, the first to spatially characterize Leptospira spp. infection among equids in the Brejo Paraibano micro-region of the Paraiba state in the northeast of Brazil, investigated 257 animals in 26 farms properties. Serum samples from 204 horses, 46 mules and seven donkeys were serologically diagnosed using the microscopic agglutination test (MAT). The distribution of Leptospira spp. was studied by employing specific antigens from 24 different Leptospira serovars. All farms were georeferenced and their distribution visualised on a map of the Brejo Paraibano micro-region. In addition, rainfall data were obtained from the same year, in which the sampling was performed. Among the 20 farms found to harbour animals with leptospirosis, 14 (70%) exhibited low prevalence, five (25%) medium prevalence and one (5%), high prevalence. Certain areas had a higher density of infected farms and required intervention to control the infection. Many serovars were widely distributed, while others were more common in particular areas. There was no significant association between the prevalence of Leptospira spp. infection and rainfall.

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Leptospiraspp.

Foley¹,

Straub²

2017

Interpretation of Equine Laboratory Diagnostics

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Seroprevalence of Leptospira spp. in Clinically Healthy Racing Horses in Korea

Cited by 33 publications

References 15 publications

A study of leptospirosis in South African horses and associated risk factors

A study of leptospirosis in South African horses and associated risk factors

Spatial characterization of Leptospira spp. infection in equids from the Brejo Paraibano micro-region in Brazil

Leptospiraspp.

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