- Pathogen:
- Lawsonia intracellularis
- Precautions:
- Standard
- Diagnosis:
- Can be demonstrated in feces or ileal mucosa by immunofluorescence or PCR. Serological tests: indirect fluorescent antibody tests, ELISA and immunoperoxidase monolayer assays.
- Pathogen Information:
- Small, curved, gram-negative rods.
- Epidemiology:
- Microaerophilic, obligate pathogen that grows intracellularly in pig enterocytes. Infected animals excrete small numbers in their feces.
- Associated Syndromes:
- Adenomatous and inflammatory lesions in the terminal ileum, caecum, and colon.
- Additional Information:
- Resource: Quinn, P. J., et al. Concise Review of Veterinary Microbiology, John Wiley & Sons, Incorporated, 2015.