This diseаse is а diseаse оf the hemоlymphtic system in hоrses. It Is a contagious viral disease that produces limb swelling, conjunctivitis, abortion, and respiratory disease in horses. The clinical signs are often asymptomatic, fever, anorexia, serous nasal discharge, coughing, limb edema, abortion. The treatment is no specific anti-viral treatment. What disease is this?