Leptospirose bovina: sorologia na bacia leiteira da região de Londrina, Paraná, Brasil

Rodrigues, Cibele Giatti; Müller, Ernst Eckehardt; Freitas, Júlio César de

doi:10.1590/s0103-84781999000200020

Cited by 7 publications

(5 citation statements)

References 9 publications

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“…Localized outbreaks involving people, dogs and other animals were seen to coincide with bovine recognized infections and "abortion storms" due to Leptospira spp. 14,15,18,21,22,32,37,39 . Extensive cattle or sheep raising activities were apparently less frequently associated with human infection.…”

Section: Discussionmentioning

confidence: 99%

A ten-year follow-up of human leptospirosis in Uruguay: an unresolved health problem

Schelotto

Rodríguez-Hernández

González

et al. 2012

Rev. Inst. Med. trop. S. Paulo

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Leptospira spp. are delicate bacteria that cannot be studied by usual microbiological methods. They cause leptospirosis, a zoonotic disease transmitted to humans through infected urine of wild or domestic animals. We studied the incidence of this disease in the Uruguayan population, its epidemiologic and clinical features, and compared diagnostic techniques. After examining 6,778 suspect cases, we estimated that about 15 infections/100,000 inhabitants occurred yearly, affecting mainly young male rural workers. Awareness about leptospirosis has grown among health professionals, and its lethality has consequently decreased. Bovine infections were probably the principal source of human disease. Rainfall volumes and floods were major factors of varying incidence. Most patients had fever, asthenia, myalgias or cephalalgia, with at least one additional abnormal clinical feature. 30-40% of confirmed cases presented abdominal signs and symptoms, conjunctival suffusion and altered renal or urinary function. Jaundice was more frequent in patients aged > 40 years. Clinical infections followed an acute pattern and their usual outcome was complete recovery. Laboratory diagnosis was based on indirect micro-agglutination standard technique (MAT). Second serum samples were difficult to obtain, often impairing completion of diagnosis. Immunofluorescence was useful as a screening test and for early detection of probable infections.

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Section: Discussionmentioning

confidence: 99%

A ten-year follow-up of human leptospirosis in Uruguay: an unresolved health problem

Schelotto

Rodríguez-Hernández

González

et al. 2012

Rev. Inst. Med. trop. S. Paulo

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“…for the animals studied. In Brazil, serological data in cattle have detected antibodies against serovars Hebdomadis and Castellonis in low frequency (RODRIGUES et al 1999;LANGONI et al 2000). The owners of the animals in this study, who possessed their animals for a longer time, informed the researchers of the possibility of their horses living together with cattle in the derelict plots.…”

Section: Discussionmentioning

confidence: 99%

Occurrence of antibodies against Leptospira spp. in horses of the urban area of Londrina, Paraná, Brazil

Hashimoto¹,

Gonçalves²,

Silva³

et al. 2007

Rev. Inst. Med. trop. S. Paulo

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SUMMARYA total of 320 horses were studied in this paper, both male and female, between two and 17 years of age, which were used for traction of wagons in the urban area of the municipality of Londrina (PR). These animals were kept, after their daily work, in abandoned areas or plots, in the outskirts of the urban area of the city. When these animals were attended by the veterinarians, between 1996 and 2005, none of them presented symptoms suggesting leptospirosis. The most frequent reasons for the visit were loss of weight, unwillingness for work, parasitism, laminess, and wounds. Microscopic Seroagglutination Test (SAM), with 22 Leptospira serovars, was performed in sera sample from all these animals. The aim of this study was to investigate the occurrence of antibodies against Leptospira spp. in horses from the urban area of Londrina (PR). From the samples tested, 214 (66.88%) were considered positive, with titers between 100 and 3200, being that 49 (22.90%) presented antibodies against a single serovar of Leptospira, and 165 (77.10%) samples presented antibodies against two or more serovars simultaneously, where in 88 (53.33%) it was possible to characterize the most likely probable serovar. Antibodies against the serovar Icterohaemorrhagiae were detected in 32 (23.36%) animals.

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“…Segundo Sullivan et al (1970), citado por Rodrigues et al (1999), pode ocorrer mastite clínica ou subclínica, com alterações nas características macroscópicas do leite, com estrias de sangue, ocasionando elevada redução na produção, No Brasil, a leptospirose bovina não é considerada doença de notificação compulsória (MAPA), não sendo por isso, submetida ao controle por órgãos e entidades públicas federais ou estaduais que tratam da sanidade animal. Esse fato dificulta conhecer a extensão do contagio ambiental, bem como das infecções por Leptospira spp.…”

Section: Introductionunclassified

FREQUÊNCIA DE ANTICORPOS ANTI-<i>Leptospira spp</i> EM REBANHOS BOVINOS DA BACIA LEITEIRA DO CAPARAÓ, ESTADO DO ESPÍRITO SANTO

Viana¹,

Zanini²,

Moreira³

2010

AVS

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Leptospirose bovina: sorologia na bacia leiteira da região de Londrina, Paraná, Brasil

Cited by 7 publications

References 9 publications

A ten-year follow-up of human leptospirosis in Uruguay: an unresolved health problem

A ten-year follow-up of human leptospirosis in Uruguay: an unresolved health problem

Occurrence of antibodies against Leptospira spp. in horses of the urban area of Londrina, Paraná, Brazil

FREQUÊNCIA DE ANTICORPOS ANTI-<i>Leptospira spp</i> EM REBANHOS BOVINOS DA BACIA LEITEIRA DO CAPARAÓ, ESTADO DO ESPÍRITO SANTO

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