Reddy, Y. KrishnamohanManohar, B. MuraliKoteeswaran, A.TANUVAS2018-04-022018-04-022008-01http://krishikosh.egranth.ac.in/handle/1/5810042844Infectious bursal disease (IBD) is an acute infectious viral disease of chicken, which causes necrosis and atrophy of the bursa of Fabricius (BF) .Out of the two serotypes of IBDV, serotype1 is established as a pathogen to chickens.en-USVeterinary ScienceBursal Lesion Scoring For the Assessment of Severity of Infectious Bursal DiseaseTamilNadu J. Veterinary & Animal SciencesArticle