Serological characterization of surface antigens in Escherichia coli strains isolated from swine with diarrhea in Parana State

Authors

  • C Souza
  • J F G Warth
  • W Hamann
  • S M Biesdorf

DOI:

https://doi.org/10.5380/avs.v12i3.10927

Keywords:

colibacilose, leitões, diarréia, sorotipagem, prevalência, colibacillosis, piglets, diarrhea, serotyping, prevalence

Abstract

The aim of the present work was
the serological characterization of 42 strains of
Escherichia coli isolated at the Center of Veterinary
Diagnostic Marcos Enrietti, in Curitiba, PR from out
breaks of swine diarrhea in the State of Paraná. The
surface O-K and adherence antigens were identified
at the Center of Veterinary Researches Desidério
Finamor (RS) and at UNICAMP (SP), respectively.
The main serogroups involved were O138:K81 and
O141:K85 which occurred in the same proportion in
9 (21.4%) strains; 4 (9.5%) strains were O139:K82
and 3 (7.1%) were O149:K91. The serogroups
O35:K”V79”, O108:K”V189”, O115:K”V165” and
O119:K”V113” were found in only one sample each
(2.4%) of the strains. In relation to fimbrial antigens,
K88 was detected in 22 (52.4%) strains and the
F165 in 5 (11.9%) strains. This is the first report of
the occurrence of the fimbrial antigen named F165
in Brazil. It was concluded that the inclusion of
these more prevalent serogroups O-K as well as the
classical fimbriae and the F165 antigen could give
more protection against the colibacillosis of piglets
in Parana State.

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How to Cite

Souza, C., Warth, J. F. G., Hamann, W., & Biesdorf, S. M. (2007). Serological characterization of surface antigens in Escherichia coli strains isolated from swine with diarrhea in Parana State. Archives of Veterinary Science, 12(3). https://doi.org/10.5380/avs.v12i3.10927

Issue

Vol. 12 No. 3 (2007)

Section

Preventive Veterinary Medicine

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