Systematic Veterinary Virology

BOVINE VIRAL DIARRHOEA

• In acute infection petechial hemorrhages on conjunctiva, sclera, nictitating membrane and mouth are seen.
• Swollen lymph nodes, erosions and ulcerations of the GI tract, petechial and ecchymotic hemorrhages on the serosal surfaces of the viscera, and lymphoid depletion are other important lesions. These lesions are not observed in persistently infected cattle.