Viral Arthritis

An infectious disease of chickens characterized by unilateral or bilateral swelling, thickening, and occasional rupture of the gastrocnemius tendon and thickening of the surrounding tendon sheath resulting in lameness.

Clinical signs

Bird species

Clinical Signs

General Systemic Signs

Diarrhea Lameness Pathognomonic Reluctance To Move Specific Swollen Hock Joint Specific Abnormal Feather Development Swelling Of Gastrocnemius Tendon Pathognomonic Thickening Of Gastrocnemius Tendon Pathognomonic Rupture Of Gastrocnemius Tendon Pathognomonic Swelling Of Digital Flexor Tendon Pathognomonic Swelling Of Tarsometatarsal Extensor Tendon Pathognomonic Immobilized Hock Joint Specific Swollen Digital Flexor Tendons Pathognomonic Swollen Metatarsal Extensor Tendons Pathognomonic Edema Of Tendon Sheaths Specific Swollen Foot Pad Straw colored Exudate In Hock Joint Specific Blood tinged Exudate In Hock Joint Specific Purulent Exudate In Hock Joint Specific Petechial Hemorrhages In Synovial Membrane Specific Hardening Of Tendon Sheaths Specific Fusion Of Tendon Sheaths Specific Erosion Of Distal Tibiotarsal Articular Cartilage Specific Enlarged Distal Tibiotarsus Specific Femoral Head Necrosis Specific

Related Products

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Affected species

Turkey Susceptibility: moderate

Chicken Primary host Susceptibility: high

Associated Microorganisms

No information available.