Hikmat Haddad

Gumboro is an acute, highly contagious viral infection in chickens manifested by inflammation and subsequent atrophy of the bursa of Fabricius, various degrees of nephritis and immunosuppression. Clinically the disease is seen only in chickens older than 3 weeks. The period of clinical symptoms and high death rate is at the age of 3 - 6 weeks.Gumboro also called infectious bursal disease(  I ...