Ataxia (incoordination), spasticity (stiff, stilted movements), abnormal gait or lameness.Incoordination and weakness which worsens when going up or down slopes or when head is elevated.

What are signs of EPM in a horse?

• Ataxia (incoordination), spasticity (stiff, stilted movements), abnormal gait or lameness.
• Incoordination and weakness which worsens when going up or down slopes or when head is elevated.

How does horse get EPM?

EPM is a neurologic disease that horses get from eating infected opossum feces. Incoordination, muscle atrophy and loss of feeling around the body are a few signs of illness. Keep your horses healthy by storing grain in sealed bins and controlling opossum populations around your barn.