Studi patogenesis virus Infectious Bursal Disease isolat lokal pada embrio dan ayam pedaging Sutiastuti Wahyuwardani text Bogor Sekolah Pascasarjana IPB 2009 Ind Thesis (S2).-- Institut Pertanian Bogor. Sekolah Pascasarjana, 2009.-- Bibl. :p. 22-26 Thesis (S2).-- Institut Pertanian Bogor. Sekolah Pascasarjana, 2009.-- Bibl. :p. 22-26 BROILER CHICKENS ANIMAL EMBRYOS INFECTIOUS BURSAL DISEASE VIRUS VIRULENT PATHOGENS