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There is more than one form of Marek's. The paralysis type is the only one that the vaccine protects against. Old timers used to call it Range Paralysis. It can cause anything from weakness to paralysis. It's incuarable. It can cause paralysis in the legs, wings and neck. Survivors are often nonthrifty and often limp. There are exceptions, but it usually starts with the left leg. It them progesses to the other leg, then the wings, then the neck. Birds can survive with intensive care, but if it gets to the neck, all hope is lost because the bird can no longer eat or drink. It's everywhere in the outdoor environment. If your birds are ever outside, you can't guarantee they won't be exposed. It's worldwide and one of the most common poultrydiseares in the world. In most birds it lays latent in their system. It can manifest itself in times of stress.
There is more than one form of Marek's. The paralysis type is the only one that the vaccine protects against. Old timers used to call it Range Paralysis. It can cause anything from weakness to paralysis. It's incuarable. It can cause paralysis in the legs, wings and neck. Survivors are often nonthrifty and often limp. There are exceptions, but it usually starts with the left leg. It them progesses to the other leg, then the wings, then the neck. Birds can survive with intensive care, but if it gets to the neck, all hope is lost because the bird can no longer eat or drink. It's everywhere in the outdoor environment. If your birds are ever outside, you can't guarantee they won't be exposed. It's worldwide and one of the most common poultrydiseares in the world. In most birds it lays latent in their system. It can manifest itself in times of stress.
