Blister beetles, also known as oil beetles, secrete a blistering agent called cantharidin as a natural defense against predators. Beetles in this family feed on flower blossoms, particularly in alfalfa plants, which makes them a common contaminant in alfalfa hay....
Alsike clover toxicosis is a potentially life-threatening condition in horses caused by ingesting large quantities of the Trifolium hybridum plant, commonly referred to as Alsike clover. To date, neither the precise mechanism of action nor the specific toxin from Alsike...
Poisonous snake bites (snake envenomation) in horses, while not common, are a medical emergency. Without prompt veterinary attention, snake envenomation can result in severe injury and, in some cases, death. In North America, venomous snakes belong to either the Elapid...
The guttural pouches are large, air-filled structures within the horse's skull, in the throatlatch region. These pouches can develop bacterial infections, fungal infections, or tympany, the excessive accumulation of air. Most diseases of the guttural pouches are not life-threatening. However,...
Flexion tests are a component of the diagnostic work-up for lameness in horses. These tests exacerbate pre-existing soreness or irritation in the limbs to make subtle lameness more obvious. Veterinarians most commonly use flexion tests during lameness examinations or pre-purchase...
Psyllium is a rich source of soluble fiber that can be incorporated into equine diets. Soluble fiber remains undigested by enzymes in the stomach (gastric juices), but passes into the hindgut where it may be partially digested by microbes. Psyllium...
A water treadmill is a piece of exercise equipment used in equine training and rehabilitation. This type of treadmill is submerged in water so the horse is chest-deep while they are moving. Exercising in water is increasing in popularity as...
Oxalates are naturally occurring compounds that bind calcium in the equine diet, preventing absorption of this mineral from the horse’s gut. When horses consume plants with high levels of these […]
Respiratory (lung) function is critical to ensure equine performance and overall health. Equine asthma, pneumonia, and lung capacity during exercise are all common health concerns for riders and trainers. One strategy to treat respiratory inflammation is delivering medication directly into...
Platelet-Rich Plasma (PRP) is a regenerative therapy used to treat horses with tendon and ligament injuries. PRP is a blood preparation where plasma, the water and protein component of blood containing no cells, is mixed with highly concentrated platelets and...
Bisphosphonates are drugs used to treat bone conditions in horses. The two main bisphosphonates used in horses are clodronate (OsPhos®) and tiludronate (Tildren®). These medications are used to treat conditions associated with increased bone turnover (removal of old bone). By...
Wondering about the best stretching exercises for your horse? Stretching is the process of extending a muscle to its maximum extension to release muscle tightness, improve flexibility and reduce pain.
Habronematidosis or habronemosis, more commonly known as summer sores, is a parasitic skin infection that can occur in horses. As the name implies, summer sores usually occur during the summer months.
Chiropractic care for horses is a form of manual therapy commonly used in veterinary treatment protocols for lameness. Chiropractic treatment focuses on joint mobilization and manipulation to reduce pain, improve symmetry, and increase range of motion.
Equine massage therapy is a bodywork modality that involves the systematic manual manipulation of a horse’s muscles and soft tissues to alleviate muscle tension and promote overall well-being. It’s an increasingly popular component of holistic veterinary care and equine management.
Choosing the best configuration of shelter in your horse’s pasture is one of the most important aspects of horse management. Most horses seek shelter at some point during the day, whether from cold and precipitation or from insects and heat.
Extracorporeal shockwave therapy (ESWT) is a common treatment modality offered by many veterinarians for treating lameness cases. Most veterinarians use this treatment for arthritis cases and ligament injuries. ESWT produces a shockwave that applies a high amount of pressure to...
Horses are often classified into three main groups based on their temperament and physiology: hot-blooded, cold-blooded, and warm-blooded. But what do these horse types mean and what is the difference between the three?
Pinto horses are a recognized colour breed in North America. Unlike some colour breed registries, the Pinto breed organization accepts horses with diverse and undocumented ancestry. Registered Pintos are classified as miniature, pony, horse, or utility types depending on their...
Canker in horses, also called equine proliferative pododermatitis is a condition that causes rapid proliferation of keratin, the main component of the hoof wall and sole. The proliferation forms long fronds of keratin, usually around the frog of the hoof.
Buttercup poisoning in horses occurs when they ingest protoanemonin, a toxin produced by the buttercup plant. Although relatively rare, the ingestion of this flowering weed results in irritation to the horse’s mouth and digestive tract.
A balanced feeding program is key for yearling horses, as it sets the foundation for their growth and development into adulthood. Yearlings are transitioning from foals to young horses, and their nutritional needs are unique during this stage of life.
Heart murmurs in horses are distinct sounds between the normal beats of the heart that can be heard with a stethoscope. They arise from the abnormal flow of blood through the heart, often due to conditions affecting the heart’s structure...
Anaplasmosis in horses, also known as Equine Granulocytic Anaplasmosis (EGA), is a tick-borne disease caused by the bacterium Anaplasma phagocytophilum. This condition typically affects horses in areas where the tick vectors are present, including various parts of the United States,...
A heart murmur is an abnormal sound heard during the heartbeat, caused by blood flowing in an unusual pattern or location within the heart. It’s not uncommon for newborn foals to have heart murmurs for several days after birth, as...
Foal rejection is a situation where the normal bonding between the mare and her foal fails to occur after birth. As a result, the mare may show disinterest, fear, or even aggression towards her newborn foal. The precise cause of...
The ability to properly chew and grind food is essential for nutrient digestion and absorption. Dysmastication is a condition involving impaired chewing- also known as mastication. Horses that are unable to chew properly may experience a cascade of problems affecting...
Gaited horse breeds have the natural ability to perform ambling gaits not observed in other equines. While different breeds have unique gaits, most gaited horses share a common genetic mutation linked to ambling patterns of locomotion. These breeds gained popularity...
Pigeon fever is a bacterial infection in horses caused by the bacterium Corynebacterium pseudotuberculosis. Symptoms vary from lumps on the skin with redness and oozing to systemic signs, such as lethargy, fever, weight loss, and colic. Horses contract the infection...
Vitamin D is a fat-soluble vitamin that is essential for horses, influencing bone health, muscle function, and the immune system. Adequate vitamin D intake is considered important for growing horses to support normal bone development. In horses, vitamin D is...