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Table 3 Diagnostic test results of foals diagnosed with equine proliferative enteropathy 2008–2016

From: Lawsonia intracellularis associated equine proliferative enteropathy in Danish weanling foals

Case

Age (months)

Outcome

Fecal rtPCR

IMPA (admission)

IMPA (8 weeks)

WSa

IFa

FISHa

1

7

NS

Positive

1:100

NP

Negative

Negative

Negative

2

6

S

Positive

< 1:25

NP

NP

NP

NP

3

6

S

Positive

1:50

1:200

NP

NP

NP

4

7

NS

NP

1:480

NP

Negative

Positive

Negative

5

6

NS

NP

< 1:25

NP

NP

Positive

Positive

  1. Italics: confirmative of equine proliferative enteropathy
  2. NS non-survival, S survival, rtPCR real time polymerase chain reaction, IMPA immunomonolayer peroxidase assay, WS Warthin-Starry staining, IF immunofluorescence, FISH fluorescence in situ hybridization, NP not performed
  3. aFormalin-fixed ileum samples