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Updated: Jul 3, 2026

Immunization of Alpacas (Lama pacos) with Protein Antigens and Production of Antigen-specific Single Domain Antibodies

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Published on: January 26, 2019

Polioencephalomalacia in a llama.

Chelsea G Himsworth¹

¹Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan. chelsea.himsworth@usask.ca

The Canadian Veterinary Journal = La Revue Veterinaire Canadienne

|July 16, 2008

Summary

A llama experienced acute neurological decline, diagnosed as polioencephalomalacia. This condition caused severe brain lesions and neurological symptoms in the affected animal.

Area of Science:

Veterinary Neurology
Comparative Pathology

Background:

Neurological diseases in camelids can be challenging to diagnose.
Polioencephalomalacia is a recognized condition affecting various animal species.

Observation:

A 5-year-old female llama presented with acute, progressive neurological signs.
Clinical signs included recumbency, muscle fasciculations, convulsions, opisthotonos, and absent menace responses.

Findings:

Postmortem examination revealed necrosis of the cerebral cortical laminae.
Histopathologic lesions were consistent with polioencephalomalacia.

Implications:

This case highlights the clinical presentation and neuropathology of polioencephalomalacia in llamas.

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Accurate diagnosis is crucial for understanding and managing neurological disorders in camelids.