Infectious bursal disease is an immunosuppressive disease of birds caused by birna virus and characterized by lesions in bursa of fabricious, lack of B-lymphocytes, deposition of urates in kidneys and ureter and haemorrhagic myositis. ....
Infectious bursal disease is an immunosuppressive disease of birds caused by birna virus and characterized by lesions in bursa of fabricious, lack of B-lymphocytes, deposition of urates in kidneys and ureter and haemorrhagic myositis. ....