Proliferative enteropathy caused by Lawsonia intracellularis in rabbits in Southern Brazil

Autores/as

DOI:

https://doi.org/10.5433/1679-0359.2020v41n5supl1p2429

Palabras clave:

Lagomorphs, Bacterial disease, Ileitis, Diarrhea.

Resumen

Proliferative enteropathy (PE), also known as ileitis, is a disease caused by the bacterium Lawsonia intracellularis. This disease is characterized by diarrhea and ill-thrift. The aim of this study is to describe a PE outbreak in rabbits that occurred in Southern Brazil. The farm had 700 rabbits at the time the outbreak occurred. The clinical signs were severe diarrhea, dehydration, and apathy. Necropsy was performed in 33 rabbits, and the most evident macroscopic findings were thickening of the intestinal wall, intestinal loops distended by large amounts of gas, and liquid feces. Histopathological examination demonstrated a marked proliferation of enterocytes in intestinal crypts, decrease number of goblet cells, and crypts microabscesses. Silver impregnation technique (Warthin-Starry) demonstrated in intestinal crypts inside of enterocytes cytoplasm, curved vibrioid bacteria compatible with L. intracellularis. Immunohistochemical staining with anti-L. intracellularis confirmed the agent presence. PCR was performed and L. intracellularis was confirmed as the etiological agent.

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Biografía del autor/a

Bianca Santana de Cecco, Universidade Federal do Rio Grande do Sul

Discente do Curso de Doutorado do Programa de Pós-Graduação em Ciências Veterinárias, Universidade Federal do Rio Grande do Sul, UFRGS, Porto Alegre, RS, Brasil.

Regina Tose Kemper, Universidade Federal do Rio Grande do Sul

Discente do Curso de Mestrado do Programa de Pós-Graduação em Ciências Veterinárias, UFRGS, Porto Alegre, RS, Brasil.

Susy Hermes de Sousa, Universidade Federal do Rio Grande do Sul

Discente do Curso de Mestrado do Programa de Pós-Graduação em Ciências Veterinárias, UFRGS, Porto Alegre, RS, Brasil.

Ronaldo Viana Leite-Filho, Universidade Federal do Rio Grande do Sul

Discente do Curso de Mestrado do Programa de Pós-Graduação em Ciências Veterinárias, UFRGS, Porto Alegre, RS, Brasil.

Raquel Aparecida Sales da Cruz, Universidade Federal do Mato Grosso do Sul

Profa, Curso de Graduação em Medicina Veterinária, Universidade Federal do Mato Grosso do Sul, UFMS, Campo Grande, MS, Brasil.

Roberto Mauricio Carvalho Guedes, Universidade Federal de Minas Gerais

Prof., Curso de Graduação em Medicina Veterinária, UFMG, Belo Horizonte, MG, Brasil

David Driemeier, Universidade Federal do Rio Grande do Sul

Prof., Curso de Graduação em Medicina Veterinária, UFRGS, Porto Alegre, RS, Brasil.

Luciana Sonne, Universidade Federal do Rio Grande do Sul

Profa, Curso de Graduação em Medicina Veterinária, UFRGS, Porto Alegre, RS, Brasil.

Citas

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Publicado

2020-08-07

Cómo citar

Cecco, B. S. de, Kemper, R. T., Sousa, S. H. de, Leite-Filho, R. V., Cruz, R. A. S. da, Guedes, R. M. C., Driemeier, D., & Sonne, L. (2020). Proliferative enteropathy caused by Lawsonia intracellularis in rabbits in Southern Brazil. Semina: Ciências Agrárias, 41(5supl1), 2429–2436. https://doi.org/10.5433/1679-0359.2020v41n5supl1p2429

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