
Keywords: DPI، روز پس از انجماد; Bioceramic; Fecal–oral transmission inhibitors; Infectious bursal disease virusADG, average daily gain; AI, avian influenza; BCX, bioceramic powder; BF, bursa of Fabricius; CEF, chicken embryo fibroblasts; dpi, days post-inoculation; FBS, fetal bovine ser