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Thrush is a common anaerobic bacterial infection of the horse’s hoof tissue characterized by a black, necrotic (dead), foul-smelling material. Thrush typically affects the central frog or grooves adjacent to and in the middle the frog (collateral sulci). However, severe cases thrush can also invade...
Laryngeal Hemiplegia What is the larynx? The larynx is a structure that divides the trachea (windpipe) and the esophagus (tube leading to the stomach. The larynx consists of muscles and small cartilaginous structures (The larynx is important during breathing, vocalizing (neighing), and swallowing. The larynx can be...
Did you know that the horse has one of the largest eyes of any land mammal; the average size of a horse’s eye is approximately 34mm in diameter. Of the land mammals, the moose passes the horse up with an eye approximately 40mm. The largest...
What do you do if you find your horse with a severe laceration on his leg and blood pooling on the stall floor? The first step is not to panic! Most horse owners might begin to wonder: How do I treat lacerations, and where do...
Cushings Syndrome has many “names” --pituitary pars intermedia dysfunction (PPID), hyperadrenocorticism, ECD (equine Cushing's disease), and, most commonly, Cushing's syndrome. Classically, this ailment occurs in geriatric horses however Cushings can be diagnosed in horses less than ten years old. Why is this medical condition becoming...
What does the epiglottis do in the unaffected horse when eating and swallowing? When the horse is not swallowing, the muscles in the esophagus (tube leading to the stomach) contract and move the epiglottis up. This action allows air to flow into the trachea and down...
Microchipping Beginning in the 2018 competition year, all horses competing in USEF-licensed and/or USHJA-sanctioned competitions with Hunter, Hunter Breeding, Jumper, and Hunter/Jumping Seat Equitation classes not restricted by breed will be required to be microchipped to receive points. The following year, this will be a...
Equine influenza virus (EIV) is one of the leading respiratory diseases in the United States and, in recent years, the number of infected horses has been on the rise. In an effort to protect horses against these two prevalent respiratory diseases, the United States Equestrian...
Dewormers have been utilized indiscriminately to control horse parasites for over 40 years. There are three classes of dewomers (anthelmintic classes) for nematode control in horses: benzimidazoles (fenbendazole, oxibendazole), tetrahydropyrimidines (pyrantel) and macrocyclic lactones (ivermectin, moxidectin). Resistance is a genetic adaptation that worms pass to...
Dr. Leith attended an advanced program at Colorado State University and is ready to help you freeze your stallion's semen! The stallion's semen is frozen using different semen-freezing techniques in order to determine the optimal method of freezing semen for each individual stallion. Aliquots of the...