A dot enzyme immunoassay (dot EIA) for detecting DHBsAg and anti-DHBs is reported. Duck sera for assay of DHBsAg were spotted onto nitrocellulose filters dried and blocked.

• 本文报道检测鸭乙型肝炎表面抗原(DHBsAg)及抗体的斑点酶免疫测定法(Dot Euzyme Immunoassay,Dot EIA)。