نتایج جستجو برای: leptospira serovars

تعداد نتایج: 5440  

2008
Sérgio Santos de Azevedo Francisco Rafael Martins Soto Zenaide Maria de Morais Sônia Regina Pinheiro Carolina de Sousa Américo Batista Erlete Vuaden Sílvio Arruda Vasconcellos

A serologic survey was conducted among 76 sows randomly selected from a single farrow-to-finish swine herd, located on the Ibiúna municipality, state of São Paulo, Brazil, to investigate associations between Leptospira spp. seropositivity and reproductive performance. For detection of anti-leptospires antibodies, the microscopic agglutination test (MAT) was carried out using live cultures of 22...

2011
Elisabeth Lindahl Sofia Boqvist Karin Artursson Ulf Magnusson

BACKGROUND Dairy cattle were used as sentinels for the presence of Leptospira infection in Swedish livestock in four regions contrasting in precipitation and temperature during the summer time. The aim of the study was to estimate the prevalence of five serovars of Leptospira of low pathogenicity in dairy cattle in these four regions. FINDINGS Around 150 blood samples were collected from five...

Journal: :The Malaysian journal of pathology 2012
I Latifah M S Rahmat K B Hayarti S Paramasvaran M R Azizah F Imran Y Normaznah

Leptospirosis is an emerging infectious disease. The differential diagnosis of leptospirosis is difficult due to the varied and often "flu like" symptoms which may result in a missed or delayed diagnosis. Leptospira is the aetiological agent of leptospirosis, a bacterial zoonosis with worldwide distribution. There are over 230 known serovars in the genus Leptospira. The true prevalence of lepto...

2014
Sylvia Grune Loffler Maria Elisa Pavan Bibiana Vanasco Luis Samartino Olga Suarez Carmelo Auteri Graciela Romero Bibiana Brihuega

Leptospirosis is the most widespread zoonosis in the world and significant efforts have been made to determine and classify pathogenic Leptospira strains. This zoonosis is maintained in nature through chronic renal infections of carrier animals, with rodents and other small mammals serving as the most important reservoirs. Additionally, domestic animals, such as livestock and dogs, are signific...

Journal: :Revista de salud publica 2010
Marlyn H Romero Jorge A Sánchez Linda C Hayek

OBJECTIVE Determining Leptospira sp. antibody seroprevalence and prevalent serovars in human and canine populations from three municipalities in the Tolima Department of Colombia. MATERIALS AND METHODS This was a cross-sectional study (subjects being selected by convenience sampling in 62 districts). Samples were collected from 850 dogs and 850 people during June, July and August 2007; these ...

2017
Chai Fung Pui Lesley Maurice Bilung Kasing Apun Lela Su'ut

Various prevalence studies on Leptospira in animals and humans, as well as environmental samples, had been conducted worldwide, including Malaysia. However, limited studies have been documented on the presence of pathogenic, intermediate, and saprophytic Leptospira in selected animals and environments. This study was therefore conducted to detect Leptospira spp. in rats, soil, and water from ur...

Journal: :iranian journal of veterinary medicine 2013
shahram maleki gholamreza abdollahpour alireza bahonar

background: leptospirosis is a worldwide zoonosis causedby leptospira interrogans. leptospirosis results in decreasedmilk production, abortion, stillbirth, infertility and mortality,which causes financial loss in the cattle industry. objectives:the aim of this research was to perform a serological andbacteriological study of leptospirosis in 6 industrial dairy herdsand 3 feedlots with previous ...

Journal: :Arquivo Brasileiro De Medicina Veterinaria E Zootecnia 2021

ABSTRACT Bovine leptospirosis assumes great economic importance since it affects several production aspects. Therefore, knowledge about the occurrence and distribution of this disease is fundamental to adopt correct prevention measures. The present study aimed evaluate frequency anti-Leptospira spp. antibodies in 24,483 bovine serum samples received between 2007 2015 from 21 Brazilian states. O...

Abdollahpour, Gh. Hassanpour, A. Rezaie, H.

This study was conducted on 210 sheep in Maku area in Iran in order to determine seroprevalence of leptospiral infection. Sera were initially screened at dilution of 1:100 against 8 live serovars of Leptospira interrogans: Pomona, Canicola, Hardjo, Ballom, Icterohaemorrhagiae, Automenalis,Australis and Grippotyphosa using the microscopic agglutination test. The prevalence of leptospiral infecti...

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