Epidemiological aspects of porcine rotavirus in southwest of Parana state, Brazil

Authors

  • Amauri Alcindo Alfieri Universidade Estadual de Londrina
  • Alice Fernandes Alfieri Universidade Estadual de Londrina
  • Edsel Alves Beuttemmüller Universidade Estadual de Londrina
  • Benito Guimarães de Brito Universidade Estadual de Londrina
  • Kerlei Cristina Medici Universidade Estadual de Londrina

DOI:

https://doi.org/10.5433/1679-0359.1999v20n1p5

Keywords:

Porcine rotavirus, Piglets, Diarrhea.

Abstract

A longitudinal study was performed during 18 months to obtain epidemiological data from porcine rotaviruses in a flock from Southwest area of Parana State, Brazil. Electropherogroup A of porcine rotavirus (PRV) was identified by polyacrylamide gel electrophoresis in 137 (27.8%) of 492 diarrheic fecal samples. The infection was more common in prior and post weaning periods. Fecal samples from four and five weeks old piglets were positive for PRV respectively in 48.4% and 40.8%, of the cases. The virus was identified through out the year. There was no seasonal distribution, showing the endemic character of the infection. Low relative humidity of the air, high population density and concentration of gilt farrow contributed with an increase in the frequency of infection.

 

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Author Biographies

Amauri Alcindo Alfieri, Universidade Estadual de Londrina

Laboratório de Virologia Animal, Departamento de Medina Veterinária Preventiva (DMVP), Centro de Ciências Agrárias, Universidade Estadual de Londrina (UEL)

Alice Fernandes Alfieri, Universidade Estadual de Londrina

Laboratório de Virologia Animal, Departamento de Medina Veterinária Preventiva (DMVP), Centro de Ciências Agrárias, Universidade Estadual de Londrina (UEL)

Edsel Alves Beuttemmüller, Universidade Estadual de Londrina

 

Médico Veterinário, aluno do Programa de Pós-graduação em Sanidade Animal, DMVP/UEL.

Benito Guimarães de Brito, Universidade Estadual de Londrina

 

DMVP/CCA/UEL

Kerlei Cristina Medici, Universidade Estadual de Londrina

 

Laboratório de Virologia Animal, Departamento de Medina Veterinária Preventiva (DMVP), Centro de Ciências Agrárias, Universidade Estadual de Londrina (UEL)

Published

1999-01-29

How to Cite

Alfieri, A. A., Alfieri, A. F., Beuttemmüller, E. A., Brito, B. G. de, & Medici, K. C. (1999). Epidemiological aspects of porcine rotavirus in southwest of Parana state, Brazil. Semina: Ciências Agrárias, 20(1), 5–11. https://doi.org/10.5433/1679-0359.1999v20n1p5

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