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cerebellar ataxia, CA, CCA A two-year-old Arabian horse with cerebellar abiotrophy, showing stiff awkward gait, and upper range of unnatural head bob. Though this horse had a relatively mild case, it could never be ridden.
Equine EPM is caused by the parasites that exhibit SAG1, SAG5, and SAG6. SAG1 and SAG5 are responsible for the majority of EPM cases in horses. Horses produce antibodies to these surface antigens. Serum antibody testing is available that measures levels of these antibodies in the blood of horses, which is helpful in diagnosing EPM in an ataxic ...
In horses, the disease often progresses gradually and includes clinical signs such as ataxia. In some horses mild clinical signs may herald a rapidly progressive disease course. The vital signs of infected horses are usually normal during physical examination, although thinning and mild depression may be present.
This form of ataxia "can have many causes including cancer, autoimmune diseases, degenerative brain conditions and a large number of genetic diseases." Hereditary ataxias, such as Friedreich’s ...
Rarely, horses will show a spastic gait in the front limbs in which the leg is held in full extension or with the knee flexed, with trembling occurring in the upper limb. [2] Despite histologic changes in the cerebellum, horses with shivers do not show clinical signs typical of cerebellar disease (ataxia, intention tremors). [3]
Borna disease, also known as sad horse disease, [1] is an infectious neurological syndrome [2] of warm-blooded animals, caused by Borna disease viruses 1 and 2 (BoDV-1/2). BoDV-1/2 are neurotropic viruses of the species Mammalian 1 orthobornavirus, and members of the Bornaviridae family within the Mononegavirales order.
Arabian horses and other horses of Arabian ancestry can inherit a neurological condition called cerebellar abiotrophy (CA), which causes the progressive death of neurons. [19] Affected foals will have head tremors, lack of balance equilibrium ( ataxia ), and other neurological problems.
Wobbler disease or wobbler's syndrome is a broad category of cervical disorders in the horse, including the conditions listed above, as well as equine wobbles anemia and cervical vertebral myelopathy, spinal cord compression (sometimes referred to colloquially among horse owners as "cervical arthritis" due to the arthritis that accumulates in facets).