Fig. 3From: Pathogenicity of egg-type duck-origin isolate of Tembusu virus in Pekin ducklingsCharacterization of TMUV isolates. a Detection of TMUV Y by RT-PCR. Lane M, molecular weight marker; lane N, negative control; lanes 1–3 indicate the third to fifth passages of Y virus respectively. b Identification of TMUV GL by IFA. Top, BHK-21 cells infected with TMUV GL; bottom, negative controlBack to article page