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(A) Purified rTs-Adsp was analyzed by SDS-PAGE. Lane M: protein molecular weight marker, Lane 1: purified rTs-Adsp by Ni-affinity chromatograph. (B) The antigenicity of rTs-Adsp was identified by western blot. Lane 1: rTs-Adsp incubated with serum from pig infected with T. spiralis at 60 dpi, Lane 2: rTs-Adsp incubated with serum from Trichinella–negative pig.
