The morphology, virulence, plaque property, some other biological properties, antigenicity of eight Newcastle Disease Virus isolated from Inner Mongolia (HH_1,WH,HH_2,HH_3,HH_4, DS JN & HH_5) and control strains were investigated systematically.

• 在内蒙古自治区五个盟市十个养鸡埸中从发病、死亡鸡中分离出8株鸡新城疫病毒,?K定名为HH_1、WH、HH_2、HH_3~-、HH_4、DS、JN和HH_5。