Figure 2
From: Evaluation of porcine epidemic diarrhea virus transmission and the immune response in growing pigs
Average Optical Density (OD) of IgG antibody to PEDV. Average (OD) of IgG Antibody to PEDV over time in the Stationary Group without seeder pig included (SG - seeder), Seeder pig, Principal Group (PG), and Naïve/Challenge (N/C) group. On D 49, PG and N/C pigs orally challenged with PEDV strain USA/Colorado/2013. Dashed line represents cut-off optical density value of 0.3.