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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]
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 ...
Covering sickness, or dourine (French, from the Arabic darina, meaning mangy (said of a female camel), feminine of darin, meaning dirty), [1] is a disease of horses and other members of the family Equidae. The disease is caused by Trypanosoma equiperdum, which belongs to an important genus of parasitic protozoa. [2]
Five more horses have died at a barn at Los Alamitos, bringing the total to 12 deaths as a result of an outbreak of equine infectious anemia.
Trainer Heath Taylor has had to euthanize seven horses after an outbreak of EIA at his Los Alamitos barn. Three horses survive, for now. Seven horses die at Los Alamitos amid a viral disease ...
The disease has a similar cause to Hirschsprung's disease in humans. A mutation in the middle of the endothelin receptor type B ( EDNRB ) gene causes lethal white syndrome when homozygous . Carriers, which are heterozygous —that is, have one copy of the mutated allele , but themselves are healthy—can now be reliably identified with a DNA test .
Equine encephalosis virus (EEV) is a species of virus the Orbivirus genus, and a member of the Reoviridae family, related to African horse sickness virus (AHSV) and Bluetongue virus (BTV). [ 1 ] First described in South Africa over a hundred years ago by Arnold Theiler , EEV is the causative agent of equine encephalosis ( EE ), an arthropod ...
Qadir theory of cancer etiology: He has posed that viruses are the cause of cancer, the idea was presented as a theory of cancer etiology. [ 21 ] [ 22 ] [ 23 ] He postulated that "Viruses are the causative agents of cancer: 100% of cancer patients contain virus/es in their body which are responsible for the cancer."