abstract |
This invention provides a trivalent immunogenic composition comprising a soluble portion of a whole cell preparation of Mycoplasma hyopneumoniae (M. hyyo); a porcine circovirus type 2 (PCV2) antigen; and a PRRS virus antigen, wherein In the M. The soluble portion of the hyo preparation is substantially free of both (i) IgG and (ii) an immune complex consisting of an antigen conjugated to an immunoglobulin. [Selection] Figure 11 |