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Isotype- and subclass-specific indirect enzyme-linked immunosorbent assays were developed to detect parainfluenza-3 virus-specific IgG1, IgG2, IgM, and IgA responses. Sera were treated with protein(More)
The distribution of cytopathic and noncytopathic biotypes of bovine viral diarrhea virus (BVDV) in the tissues of colostrum-fed and colostrum-deprived calves was investigated. Colostrum-fed (group A)(More)