Marek's Disease

A lymphoproliferative disease affecting the peripheral nervous system, gonads, iris, various visceral organs, muscles and skin. It is caused by an alphaherpesvirus and mainly affects T lymphocytes.

Clinical signs

32

Bird species

2

Clinical Signs

General Systemic Signs

Depression Diarrhea Dehydration Dyspnea Anorexia Incoordination Specific Ataxia Specific Blindness Specific Paralysis Pathognomonic Bursal Atrophy Specific Thymic Atrophy Pallor Emaciation Paresis Specific Torticollis Specific Cutaneous Nodules Specific Proventricular Enlargement Wing Droop Specific Crop Paralysis Specific Crop Dilation Ballet dancer Posture Pathognomonic Iris Depigmentation Pathognomonic Iris Opacity Pathognomonic Irregular Pupil Pathognomonic Coma Sciatic Nerve Enlargement Pathognomonic Loss Of Nerve Striation Pathognomonic Yellow Discolored Nerves Pathognomonic Edematous Nerves Specific Visceral Lymphoid Tumors Specific Ovarian Tumors Specific Muscle Tumors Specific

Related Products

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Affected species

Chicken Primary host Susceptibility: high
Quail Susceptibility: moderate

Associated Microorganisms

No information available.

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