One isolate of Riemerella anatipestifer from China in 1999 was studied by agglutination and agar gel precipitin tests using non-adsorbed and adsorbed antiserum.

• 采用未经过吸收和经过吸收的抗血清，通过凝集试验和沉淀试验对1999年从河北某鸭场分离到的1株鸭疫里默氏菌（编号为C515）进行了研究。