Tag Archives: Selenium

Alopecia Areata

Alopecia areata is an uncommon autoimmune der-matosis of horses that is characterized by patches of well-circumscribed, nonscarring alopecia that is grossly noninflammatory. It accounts for 1.33% of the equine dermatoses seen at the Cornell University College of Veterinary Medicine. Alopecia Areata: Pathogenesis Alopecia areata is of complex pathogenesis with im-munologic targeting of anagen hair follicles… Read More »

Nonneoplastic Sterile Nodules

Single or multiple noninfectious nodules are a common occurrence in horses. Sterile nodules are either immune-mediated or idiopathic in most cases. The two most common presentations are rapid-onset urticarial lesions and more slowly progressive firm nodules. Urticaria Collagenolytic Granuloma Axillary Nodular Necrosis Clinical Signs Another less common cause of eosinophilic nodules is axillary nodular necrosis.… Read More »


Inability of the female or male to reproduce. Insidious but great losses are directly due to failure to breed on the part of otherwise promising animals. The immediate loss to the individual owner of livestock is not so apparent as with certain specific diseases, but it is infinitely greater than the loss accruing from any… Read More »

Seborrheic Dermatitis

Definition and cause Seborrheic dermatitis is characterized by excessive dry or oily sebum, commonly caused by a combination of Staph pyoderma and Malassezia dermatitis. It is fairly common in dogs and rare in cats. Medical therapy rationale, drug(s) of choice, and nutritional recommendations The recommended treatments are topical shampoos such as selenium sulfide in combination… Read More »


Definition and cause Alopecia is one of the most common conditions seen by veterinarians. It is often a result of multiple underlying causes with the secondary ramification of loss of hair. The broad categories of alopecia are (1) genetic predisposition, and (2) acquired, such as inflammatory, infectious (bacterial, fungal), immune-mediated, hormonal imbalances, parasitic, and secondary… Read More »

Laryngeal Paralysis

Definition and cause Laryngeal paralysis is a degenerative process that affects the normal functioning of the larynx, leading to an interference with the normal flow of air to the lungs. Secondarily, there may be gagging, excessive salivation, vomiting, and aspiration pneumonia. Underlying causes are believed to be genetic inheritance, trauma to the nervous ennervation of… Read More »

Granulamatous Meningoencephalitis

GME – Granulamatous Meningoencephalitis / Peripheral Neuropathies Definition and cause Peripheral neuropathies may represent numerous specific diagnoses. Many are inherited and have no successful treatment. When diagnosing such conditions it is helpful to divide them into categories of disease, including degenerative, genetic, idiopathic, inflammatory-noninfectious, inflammatory-infectious, metabolic, neoplasia, trauma, and vascular. Each particular case has a… Read More »


Definition and cause Encephalitis is an inflammatory process of the brain that may or may not involve the meninges and / or the spinal cord. It is often caused by infections and immune-mediated processes, especially in pugs and Maltese dogs. Encephalitis occurs in both dogs and cats, and is commonly associated with the following causes:… Read More »

Degenerative myelopathy

Definition and cause Degenerative myelopathy is a slow, progressive degeneration of the spinal cord, which often leads to loss of motor control of the hind legs. While no proven cause is known, it is believed that an autoaggressive process may be involved with the observed degeneration of the spinal cord. Although it is most commonly… Read More »