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Table 4 Overview of the different examinations performed on herd A

From: Clinical problems due to encephalomyocarditis virus infections in two pig herds

Date Examination (number of piglets) Main finding
December 2013 Necropsyb (2) Indicative for Escherichia coli septicemia
  Histology heartb Degeneration of myocardium fibres
  Anaerobic culture duodenumb Negative
  Aerobic culture jejunumb Positive (E. coli)
January 2014 Necropsyb (5) No abnormalities
  Histology heartb Moderate degeneration myocardium fibres
  Anaerobic culture duodenumb Negative
  Aerobic culture jejunumb Staphylococcus spp. en Streptococcus spp
  Mesenterial lymph nodesb Escherichia coli
  Serotyping Escherichia coli c No virulence factors found
June 4 2014 Necropsya (2) Subtle EMCV-lesion on heart muscle
  Necropsyb (14) None
  Histologyb Myocarditis and myocardnecrosis suggesting EMCV
June 6 2014 Necropsyb (17) White foci in myocardium suggesting EMCV
  Histologyb Necrosis in myocardium suggesting EMCV
August 12 2014 Necropsyb (d)(2) None
August 13 2014 PCR EMCV heart samples June 2014c Negative
  1. a Herd veterinarian; b Animal Health Care Flanders; c Veterinary and Agrochemical Research Centre, Brussels; d no typical piglets available