A strain of VVIBDV COB C1 was isolated from the tissue infected by IBD. The ELD 50 of the isolate was 10 5.6 /0.2 mL. The genes of VP1 and VP2 of CAV were cloned into baciulliform virus vectors.

• IBDV为自行分离的 VVIBDV COB-C1组织毒 ；毒价为 CEL D50 1 0 5.；6 / 0