Outbreaks of Virulent Infectious Bursal Disease in Flocks of Battery Cage Brooding System of Commercial Chickens

Figure 2

(a) Ecchymotic haemorrhages on the thigh and leg muscles (yellow arrows), (b) enlarged pale kidneys (black arrow), and edematous and haemorrhagic bursa of Fabricius (white arrow) of 4-week-old brown pullets from case 2.

(a)

(b)