Infectious bursal disease (IBD) is an acute, highly contagious viral infection of chickens and turkeys. The bursa of Fabricius is a target organ for Infectious bursal disease virus (IBDV).

• 鸡传染性法氏囊病(Infectious bursal disease,IBD)是由传染性法氏囊病病毒(IBDV)引起的鸡和火鸡的一种高度接触性传染病。