Infectious Bursal Disease

The text explores the impact of Infectious Bursal Disease, a highly contagious viral infection caused by an Avibirnavirus that primarily affects young chickens. It details how the virus targets the immune system, specifically the bursa of Fabricius, leading to severe immunosuppression and increased susceptibility to secondary infections. The book covers the clinical signs, pathogenesis, and the significant economic losses associated with mortality and reduced flock performance. It emphasizes the necessity of effective biosecurity measures and vaccination programs to manage the disease in commercial poultry settings.