Semina: Ciências Agrárias (Aug 2008)

Association between microscopic kidney´s lesions and presence of antibodies against Leptospira spp in apparently healthy swine, originated from slaughterhouse in northern Paraná state/ <br> Associação entre as lesões renais microscópicas e a presença de anticorpos contra Leptospira spp em suínos aparentemente sadios, abatidos em frigorífico da região norte do estado do Paraná

  • Júlio César de Freitas,
  • Ernst Eckehardt Müller,
  • João Luís Garcia,
  • Paulo Sérgio Teles,
  • Roberta Lemos Freire,
  • Lucimara Aparecida Alves,
  • Francielle Gibson da Silva,
  • Bruna Azevedo de Carvalho Lima,
  • Eleine Kuroki Anzai,
  • Vanessa Yumi Hashimoto

DOI
https://doi.org/10.5433/1679-0359.2008v29n4p875
Journal volume & issue
Vol. 29, no. 4
pp. 875 – 880

Abstract

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The aim of this work was to demonstrate the association between microscopic kidney´s lesions and presence of antibodies against Leptospira spp in apparently healthy swine from slaughterhouses located in northern Paraná State. Samples of kidney and blood coagulum were collected from 120 animals with macroscopic kidney´s lesions type white spots and from120 animals without macroscopic lesions, used as control. Samples of serum, were submitted to microscopic agglutination test (MAT) and samples of kidney for histopathological evaluation stained with Hematoxylin and Eosin (HE). Although no association (p=0,27) between macroscopic kidney’s lesions type white spots and presence of antibodies against Leptospira spp has been observed, there was a significant association (p=0,015) between interstitial nephritis and seropositivity to leptospirosis.O objetivo deste trabalho foi demonstrar a associação entre lesões renais microscópicas e a presença de anticorpos contra Leptospira spp em suínos aparentemente sadios, abatidos em frigorífico da região norte do Estado do Paraná. Foram colhidas amostras de rim e coágulo sanguíneo de 120 animais com lesões renais macroscópicas tipo white spots e de 120 sem lesões renais macroscópicas tipo White spots, utilizados como controle. As amostras de soro foram submetidas à prova de soroaglutinação microscópica (SAM) e as amostras de rim, ao exame histopatológico corado pela Hematoxilina-Eosina (HE). Embora nenhuma associação (p=0,27) entre as lesões renais macroscópicas tipo white spots e a presença de anticorpos contra Leptospira spp tenha sido observada, verificou-se uma significativa associação (p=0,015) entre a nefrite intersticial e a soropositividade para leptospirose.

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