Thirteen strains of Riemerella anatipestifer isolated from ducks in China were serotyped by slide agglutination test, tube agglutination test and agar gel precipitation test.

• 摘要用玻片凝集试验、试管凝集试验和琼脂扩散沉淀试验，对13个鸭疫里默氏菌分离株进行了血清型鉴定。