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Occurrence of antibodies against Leptospira spp. in horses of the urban area of Londrina, Paraná, Brazil
Hashimoto, Vanessa Yumi; Gonçalves, Daniela Dib; Silva, Francielle Gibson da; Oliveira, Rosângela Claret de; Alves, Lucimara Aparecida; Reichmann, Peter; Muller, Ernest Eckehardt; Freitas, Julio Cesar de.
  • Hashimoto, Vanessa Yumi; UEL. DMVP. Post-Graduation in Animal Science. Londrina. BR
  • Gonçalves, Daniela Dib; UEL. DMVP. Post-Graduation in Animal Science. Londrina. BR
  • Silva, Francielle Gibson da; UEL. DMVP. Post-Graduation in Animal Science. Londrina. BR
  • Oliveira, Rosângela Claret de; UEL. DMVP. Post-Graduation in Animal Science. Londrina. BR
  • Alves, Lucimara Aparecida; UEL. DMVP. CCA. Biochemist from Leptospirosis Laboratory. Londrina. BR
  • Reichmann, Peter; UEL. DCV. Department of Veterinary Clinics. Londrina. BR
  • Muller, Ernest Eckehardt; UEL. DMVP. CCA. Department of Preventive Veterinary Medicine. Londrina. BR
  • Freitas, Julio Cesar de; UEL. DMVP. CCA. Department of Preventive Veterinary Medicine. Londrina. BR
Rev. Inst. Med. Trop. Säo Paulo ; 49(5): 327-330, Sept.-Oct. 2007. graf, tab
Article in English | LILACS | ID: lil-467374
ABSTRACT
A 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 percent) were considered positive, with titers between 100 and 3200, being that 49 (22.90 percent) presented antibodies against a single serovar of Leptospira, and 165 (77.10 percent) samples presented antibodies against two or more serovars simultaneously, where in 88 (53.33 percent) it was possible to characterize the most likely probable serovar. Antibodies against the serovar Icterohaemorrhagiae were detected in 32 (23.36 percent) animals.
RESUMO
Foram estudados 320 eqüinos, machos e fêmeas com idade entre dois a 17 anos, utilizados para tração de carroças na área urbana do município de Londrina (PR). Estes animais eram mantidos, após a jornada diária de serviço, em áreas ou terrenos baldios, localizados na periferia da área urbana do município. Por ocasião do atendimento, realizado entre 1996 e 2005, no Hospital Veterinário da Universidade Estadual de Londrina, nenhum dos animais apresentou sintomas sugestivos de leptospirose, sendo os motivos mais freqüentes, o emagrecimento, a indisposição para o trabalho, a verminose, problemas no sistema locomotor e feridas. A prova de soroaglutinação microscópica (SAM), com 22 sorovares de Leptospira, foi realizada em amostra de soro de todos os animais. O objetivo deste trabalho foi investigar a ocorrência de anticorpos contra Leptospira spp. em eqüinos da área urbana do município de Londrina. Foram consideradas positivas 214 (66,88 por cento) amostras de soros com títulos entre 100 e 3200, sendo em 49 (22,90 por cento) detectadas anticorpos contra um único sorovar de Leptospira e em 165 (77,10 por cento) amostras com anticorpos contra dois ou mais sorovares simultâneamente, sendo em 88 (53,33 por cento) destes caracterizado o sorovar mais provável. Anticorpos contra o sorovar Icterohaemorrhagiae foram detectados em 32 (23,36 por cento) animais.
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Full text: Available Index: LILACS (Americas) Main subject: Horses / Leptospira / Leptospirosis / Antibodies, Bacterial Type of study: Diagnostic study Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: UEL/BR

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Full text: Available Index: LILACS (Americas) Main subject: Horses / Leptospira / Leptospirosis / Antibodies, Bacterial Type of study: Diagnostic study Limits: Animals Country/Region as subject: South America / Brazil Language: English Journal: Rev. Inst. Med. Trop. Säo Paulo Journal subject: Tropical Medicine Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: UEL/BR