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Horse Health

Facts About PPID & EMS

Pituitary Pars Intermedia Dysfunction (PPID, commonly known as Cushing's disease) and Equine Metabolic Syndrome (EMS) are two important endocrine conditions affecting horses.

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What is PPID?

PPID (Pituitary Pars Intermedia Dysfunction), previously known as Cushing's disease, is a progressive condition affecting the pituitary gland. It is most common in older horses and ponies, typically developing in horses over 15 years of age.

Signs of PPID

  • Long, curly coat that fails to shed properly (hirsutism)
  • Muscle wasting and loss of topline
  • Abnormal fat deposits
  • Increased susceptibility to infections
  • Laminitis
  • Excessive drinking and urination

What is EMS?

Equine Metabolic Syndrome is characterised by obesity, insulin dysregulation, and an increased risk of laminitis. It is most commonly seen in easy keepers and certain breeds.

Signs of EMS

  • Obesity or regional fat deposits (cresty neck)
  • History of laminitis
  • Difficulty losing weight despite dietary management

Diagnosis and Management

Both conditions can be diagnosed through blood testing. Early diagnosis allows for better management outcomes. Treatment may include medication (pergolide for PPID), dietary management, exercise programs, and regular veterinary monitoring.

Emergency

After Hours Emergency Service

If your horse needs urgent veterinary attention outside normal hours, our emergency service is available. Do not delay in an emergency.