Stringhalt, or equine reflex hypertonia, is a neuromuscular condition that causes abnormal hindlimb movement in the horse. Horses with stringhalt have excessive and prolonged flexion of the pelvic limbs while in forward movement, showing signs of the condition at most...

Botflies (Gasterophilus spp.) are parasitic flies that affect the horse's digestive tract and can cause negative health consequences. Botflies lay eggs on the horse's coat in the summer. Some of these eggs, known as horse bots, are ingested as the...

Equine COPD - or chronic obstructive pulmonary disease - is a now-obsolete term for a common condition in horses that causes coughing and poor performance. This condition is now referred to as equine asthma and is one of the most...

Equine asthma (EA) is a relatively new collective term for chronic respiratory signs in horses that range in severity from mild to severe. These conditions were previously known as inflammatory airway disease (IAD) or recurrent airway obstruction (RAO), respectively. Equine...

Chronic kidney disease (or chronic renal failure) in horses is a rare but serious disorder that interferes with normal kidney function. Your horse's kidneys perform many important processes in the body including managing blood pressure, excreting waste products, and regulating...

Obesity is a health concern in horses worldwide, with a prevalence estimated between 31 – 45% in some equine populations. Among ponies and easy keeper breeds, the prevalence is even higher with one study reporting that 72% of adult ponies...

Stagnation edema, also known as stocking up, is a common cause of leg swelling in stabled horses. It occurs due to impaired circulation from periods of reduced activity. This short-lasting form of edema typically affects both hind limbs and causes...

Equine influenza virus, or EIV, is an extremely contagious respiratory disease or flu affecting horses, mules, and donkeys. EIV is characterized by fever, apathy, and lack of appetite, and causes respiratory symptoms such as coughing and nasal discharge. However, some...

Nutritional myodegeneration (NMD), more commonly known as white muscle disease, is a disorder that affects various animals, including horses. In equids, the condition primarily occurs in newborn foals, although adult horses can also develop it. The condition results in degeneration...