Marek disease

Marek's Disease

Marek's Disease (pronounced: /ˈmɑːrɛks/), also known as MD, is a highly contagious viral disease that affects chickens. It is named after the Hungarian pathologist József Marek, who first identified the disease in 1907.

Etymology

The disease is named after József Marek, a Hungarian veterinarian who first described the disease in 1907. The term "Marek's Disease" is derived from his surname.

Definition

Marek's Disease is a neoplastic disease caused by the Marek's Disease Virus (MDV), a member of the Herpesviridae family. It is characterized by the formation of tumors in the nerves, leading to paralysis and often death.

Symptoms

The symptoms of Marek's Disease can vary, but often include paralysis, weight loss, anemia, and the formation of tumors. Other symptoms may include changes in the color of the iris and irregularly shaped pupils.

Transmission

Marek's Disease is transmitted through the inhalation of feather dust contaminated with the virus. It can also be spread from hen to chick through the egg.

Prevention and Treatment

Prevention of Marek's Disease is primarily achieved through vaccination. There is currently no cure for the disease, but management strategies can help to control its spread and impact.

Related Terms

• Neoplastic disease
• Herpesviridae
• Tumor
• Paralysis
• Anemia
• Iris (anatomy)
• Pupil
• Egg
• Vaccination

External links

• Medical encyclopedia article on Marek disease
• Wikipedia's article - Marek disease

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