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An equine melanoma is a tumor that results from the abnormal growth of melanocytes in horses. Unlike in humans, melanomas in horses are not thought to be caused by exposure to ultraviolet light. [1] Melanomas are the third most common type of skin cancer in horses, with sarcoids being the first most prevalent and squamous-cell carcinoma being ...
Signs and symptoms are not mutually exclusive, for example a subjective feeling of fever can be noted as sign by using a thermometer that registers a high reading. [7] Because many symptoms of cancer are gradual in onset and general in nature, cancer screening (also called cancer surveillance) is a key public health priority. This may include ...
Parascaris equorum is a species of ascarid that is the equine roundworm. Amongst horse owners, the parasites are colloquially called "Ascarids". This is a host-specific helminth intestinal parasite that can infect horses, donkeys, and zebras. Horses up to six months of age are the most susceptible to infection.
Horses with left dorsal displacement are sometimes treated with exercise and/or phenylephrine—a medication that causes contracture of the spleen and may allow the bowel to slip off the nephrosplenic ligament. At times anesthesia and a rolling procedure, in which the horse is placed in left lateral recumbency and rolled to right lateral ...
Immunocompromised horses (ex: extremely old and extremely young) can have only a light parasite load, but experience infection symptoms associated with extreme pathology. [3] The tapeworm perforating through the intestinal wall and ulcerating the mucosal layer of the stomach at the site of attachment has also been seen with this parasite ...
The large intestine of the horse comprises the cecum, the colon, and the rectum. [8] Necropsies on LWS foals reveal a pale, underdeveloped colon [2] and intestinal obstruction (impaction). [4] Samples of affected tissue show a lack of nerves that allow the intestine to move material through the digestive system, a condition called intestinal ...
Skin cancer, or neoplasia, is the most common type of cancer diagnosed in horses, accounting for 45 [1] to 80% [2] of all cancers diagnosed. Sarcoids are the most common type of skin neoplasm and are the most common type of cancer overall in horses. Squamous-cell carcinoma is the second-most prevalent skin cancer, followed by melanoma. [3]
In horses, subcutaneous pythiosis is the most common form and infection occurs through a wound while standing in water containing the pathogen. [2] The disease is also known as leeches, swamp cancer, and bursatti. Lesions are most commonly found on the lower limbs, abdomen, chest, and genitals.