What is your diagnosis?

Josepha DeLay, Hannah Jansen

Animal Health Laboratory, University of Guelph, Guelph ON (DeLay), South West Vets, Stratford, ON (Jansen)

AHL Newsletter 2025;29(3):11.

Photo of whole piglet

Photos of piglet parts.

Multiple discrete ulcerative and proliferative, crusted skin lesions were identified in 2 neonatal piglets in a single litter. The sow was unaffected. Lesions involved haired skin, lip margins, tongue, and coronary band.

What are your differential diagnoses? Stay tuned for the answer in the December 2025 AHL Newsletter