Marek’s Disease

Add to Favorites Marek’s Disease Virus (MDV) causes tumorsand immunosuppression in chickens, and occasionally turkeys and quail. Infected flocks generally show clinical signs between six and 30 weeks of age; however, the disease can affect older birds as well. Not all infected birds show symptoms but will continue to shed the virus for life. Flock Files are educational materials for you to Print, Save, and Share! CLICK HERE to get your pdf!

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