Angular limb deformities (ALDs) and flexural deformities (FDs) frequently affect foals’ legs. When severe, they are deemed clinically significant and require conservative management or veterinary intervention to achieve correction.
Tetanus, or lockjaw, is a non-contagious neurological disease that results from a bacterial infection. Horses are particularly vulnerable to tetanus, with individuals of all ages and breeds affected worldwide. Tetanus spores are particularly dangerous for horses as they survive for...
Botulism is a fatal neuroparalytic disease that affects horses, humans and other animals worldwide. Botulism interferes with nerve signalling, weakening and often paralyzing the horse. This disease is caused by the ingestion of botulinum toxin produced by Clostridium botulinum bacteria....
Alopecia or hair loss in horses can occur for several different reasons and may be temporary or permanent. Alopecia refers to the partial or complete absence of hair that occurs in any area of the body where hair is normally...
Horses are prone to hoof cracks for various reasons. Cracks can lead to the hoof chipping away in certain areas. Cracks can be a cosmetic problem that can be easily corrected, but sometimes, they indicate something more serious is happening within...
Photosensitization, or light-induced dermatitis (photodermatitis), is a noncontagious condition in horses where the skin becomes extremely sensitive to sunlight. This condition often mimics a sunburn, but it is much more serious and painful. Photosensitization is most commonly caused by ingesting...
It’s not uncommon for horses to experience eye problems. Several conditions and diseases can affect vision and eye health in horses, including uveitis, cataracts, and conjunctivitis. Horses experiencing eye issues may have symptoms such as swelling, tearing, drainage, discoloration, cloudiness,...
Coughing is a common clinical sign in horses that can be entirely benign or the first clue of a medical condition. Your horse’s cough is a normal reflex that keeps his airway healthy and clean. But some conditions associated with...
Routine equine dentistry is an often overlooked aspect of preventative care that can significantly impact your horse's welfare and performance. Horses have specialized teeth adapted to continuous grazing. Unlike human teeth, horse teeth erupt throughout their life and can become...
If you own horses long enough, you'll eventually have to deal with the loss of a horse. Saying goodbye to a beloved equine can be traumatic. But death is an inevitable aspect of caring for any animal. Sometimes horse owners...
Shipping fever is a lower respiratory tract infection seen in horses transported over long distances or experiencing unusual or stressful events. Known causes of shipping fever include prolonged periods of head elevation, strenuous exercise, anesthesia or complications from a viral...
Sand colic is a term for abdominal pain in horses caused by the ingestion of sand. Depending on the geographic region, five to thirty percent of all colic cases are caused by sand or sediment accumulation in the gut. Sand...
Of the many skin conditions horses can develop, sarcoids are the most common. The term "sarcoid" was first used in 1936 in South Africa as a way to distinguish this skin lesion from other tumors. Sarcoids are benign (nonmetastatic) skin...
Slobbers, otherwise known as slaframine poisoning or salivary syndrome, is a condition that causes excessive salivation or drooling in horses. It is relatively rare and usually occurs in outbreaks, with multiple horses affected at once. Slaframine intoxication is caused by...
Black walnut tree poisoning occurs when horses come into contact with toxic compounds in the black walnut (Juglans nigra) tree. The roots, bark, wood, nuts, pollen and leaves of the tree contain a chemical that is poisonous to horses upon...
Bone spavin, also known as Degenerative Joint Disease (DJD) of the hock (tarsus), is an extremely common cause of equine lameness. It is caused by repeated concussion and rotational forces on the hock joint, as well as excessive forces on...
Equine herpesvirus (EHV), or rhinopneumonitis, is a contagious infection that is endemic to horses worldwide. EHV may cause mild to severe symptoms that usually involve the upper respiratory tract. In rare cases, it may cause neurological symptoms, abortion or death....
Are you considering setting up a track system such as the Paddock Paradise for your horse? In recent decades, many horse owners have shown interest in natural equine management and care practices. These practices seek to mimic the lifestyle of...
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...
Lymphangitis, also known as big leg disease or stovepipe leg, is a condition in horses involving inflammation of the lymph vessels, most often in the lower limb. Lymphangitis presents as extreme swelling with rapid onset, resulting in pain in the...
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...
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...
Box walking, stall circling and weaving are examples of locomotor stereotypic behaviours in horses. They are believed to be caused by a lack of freedom to express natural equine behaviours. Over time, stall walking and weaving can have negative physical consequences such as...
Weaving is a locomotive stereotypic behaviour typically seen in stabled horses. It is estimated that between 3 to 10% of horses kept in stables weave. The expression of this behaviour involves repetitive shifting of body weight from one front leg...
Whether you are a horse owner, handler or the manager of an equine facility, biosecurity plays an important role in keeping horses under your care safe and healthy. Horses can be affected by many different transmissible diseases, including equine infectious...
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...
Windsucking is an oral stereotypic behavior performed by horses. It is closely related to cribbing, but they are distinct behaviors. Horses windsuck by arching their necks and using their mouth to suck air into the cranial esophagus. The horse will...
Is your horse showing signs of girthiness? Also known as girth aversion or cinch sensitivity, horses that are girthy express signs of discomfort when they are being saddled. A girthy horse may respond to having a girth tightened by expressing...