Expert Reveals How to Spot and Manage MIM in Horses Effectively

Horses suffering from muscle weakness or training difficulties could be showing signs of MIM. The condition, once called PSSM2, covers a range of muscle disorders linked to genetic differences. Veterinarian Christina Wessling has now shared key insights in a free expert session to help owners spot and manage the issue. MIM, or muscle integrity myopathy, can cause symptoms like excessive shyness, poor muscle development, or trouble with training. Many owners may still know it by its older name, PSSM2, but experts now use the updated term. Recognising these signs early is crucial, as a standard blood test alone cannot confirm the diagnosis.

Genetic testing for known variants or a muscle biopsy is often needed to identify MIM. Once diagnosed, proper daily care becomes essential. Wessling emphasises a low-sugar, high-protein diet, regular movement, and custom exercise plans to support affected horses. In her free Q&A, Wessling covers symptoms, diagnosis methods, and how rideable horses with MIM can remain. Understanding the condition also helps owners assess whether their own horse might be at risk.

The expert Q&A offers clear guidance on managing MIM in horses. With the right diet, exercise, and stable routines, affected animals can maintain better health. Owners now have access to practical advice for spotting and handling the condition early.