دراسات وأبحاث  Studies & Research

3من اصل3

This virus may directly or indirectly affect the immune system organs inducing some immunosuppressive effects enhancing another viral or bacterial diseases infection.

Disease control:

Higher biosecurity systems and good management may be the major aspects for preventing this disease.

There are some inactivated vaccines commercially available and used in Egypt. For vaccination of layers and breeders mainly and broiler flocks in the high risky areas with the disease.