ATP5MK and infection: Also, two other experimental infection studies (Lawsonia intracellularis (oral) in Danish Landrace/Yorkshire/Duroc crossbreds and Toxoplasma gondii (oral) in Danish Landrace/Yorkshire crosses) resulted in a well-differentiated acute phase protein response [56], [57], however caused no change in pig AGP serum concentrations as determined with the ELISA developed here (unpublished).