Table 4.
Overview of the different examinations performed on herd A
| 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 |
a Herd veterinarian; b Animal Health Care Flanders; c Veterinary and Agrochemical Research Centre, Brussels; d no typical piglets available