The overo pattern is one of three coat patterns in American Paint Horses (APHs) recognized by the American Paint Horse Association (APHA), along with Tobiano and Tovero. Among Overo variations, the fr...
Exertional Rhabdomyolysis (ER), commonly known as tying-up or azoturia, is an exercise-induced condition in horses characterized by the excessive breakdown of muscle tissue. This results in muscle spa...
Melanomas are a type of skin tumor most commonly observed in aging grey horses. Up to 80% of gray horses aged 15 or older develop melanomas during their lifetime. Melanomas in gray horses often appear...
Lavender Foal Syndrome (LFS), or coat colour dilution lethal (CCDL), is a rare and lethal disorder in Arabian horses and crossbreeds. Foals with LFS are born with neurological problems and a lightened...
Epistaxis is a common condition in horses that refers to bleeding from the nostrils. Nosebleeds can range in severity and may result from trauma, underlying health conditions or exercise. The majority...
Ivermectin is an over-the-counter medication used to control internal parasites in horses and other animals. It is macrocyclic lactone medication and is one of the most widely used dewormers or anthel...
Equine piroplasmosis (EP), or babesiosis, is an infectious tick-borne disease that affects all equid species, including horses*, mules, donkeys and zebras. It is caused by protozoan parasites that are...
Ringbone is a degenerative condition that affects the bones and joints in the horse’s lower limbs. It is characterized by the inflammation of surrounding connective tissue, triggering the formation ...
Strongyles are considered the most significant internal parasite that affects horses. It is estimated that these parasites affect between 80 – 99% of equids worldwide. There are two main types of st...
Bone bruising is a common condition often seen in young racehorses, such as Thoroughbreds or Standardbreds. It typically arises from repetitive stress, trauma, or microfractures affecting the subchond...
A hoof or sole bruise is a common injury in horses, occurring when there is trauma to the sensitive tissues within the hoof. This trauma leads to localized bleeding and subsequent bruising. Hoof bruis...
Pergolide mesylate (Prascend®) is a medication used to treat horses with pituitary pars intermedia dysfunction (PPID), previously referred to as Equine Cushing’s disease. This common endocrine diso...
Bleeding disorders can significantly affect your horse’s performance and overall health. These conditions can be present from birth or develop later in life and are characterized by abnormal bleedin...
Cellulitis refers to bacterial infection and inflammation that affects tissues under the skin anywhere in the body. In horses, this severe condition typically occurs in the hindlimbs. It is characteri...
A heart arrhythmia, or irregular heartbeat, is a performance-limiting condition commonly seen in athletic horses. While some arrhythmias are benign, others may indicate cardiac disease or another unde...
Equine pinworms, or Oxyuris equi, are common parasites that inhabit the horse's colon. Female pinworms lay their eggs on the perianal skin (around the anus), which can cause intense itching and irrita...
The horse’s tendons are prone to strain injuries, especially when participating in disciplines, such as racing, jumping and eventing. Tendons are fibrous connective tissues that attach muscle to ...
Eastern equine encephalitis (EEE), otherwise known as Triple E or sleeping sickness, is a rare and lethal virus in horses that causes inflammation of the brain. EEE is transmitted through mosquito bit...
A hunter’s bump, or sacroiliac subluxation, is a hump on the horse’s lower back that develops above the croup. It is most apparent when viewing a horse in motion from behind....
Heat stress occurs when the horse’s internal cooling mechanisms stop working efficiently and the ability to maintain a normal body temperature is affected. This is common and in hot and humid condit...
Shivers, or shivering, in horses is a progressive neuromuscular condition characterized by an abnormal, jerky gait while backing up. Horses affected by Shivers exhibit muscle tremors in the pelvic lim...
Bowed tendon in horses is defined as acute or chronic inflammation of a tendon. This condition is also known as tendinitis, tendonitis or tendinopathy. This injury usually occurs when the tendon is st...
Impaction colic in horses is a painful condition caused by an obstruction in the gastrointestinal (GI) tract. It is a serious and sometimes fatal condition. The term colic describes abdominal pain or ...
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 w...
Le tétanos, ou le trismus, est une maladie neurologique non contagieuse causée par une infection bactérienne. Les chevaux son particulièrement vulnérables au tétanos, et des individus de tous â...
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,...
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 perio...
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 accumula...
Myofibrillar myopathy (MFM) is a newly identified muscle disorder that causes exercise intolerance in horses. MFM is a genetic condition that results from the abnormal build-up of desmin in muscle tis...
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, wi...