Infectious bursal disease virus ( IBDV ) is an important pathogenic agent of chicken.传染性法氏囊 病毒是鸡的一种重要的病原.The distribution and histology of lymphoid tissue in the Fabricius'bursal stalk were studied.研究了番鸭法氏囊柄部淋巴组织的分布...

囊的...

bursal的音标：bursal的英式发音音标为：['bɜ:rsæl]bursal的美式发音音标为：['bɜrsæl]...