Fig. 3From: Development of indirect enzyme-linked immunosorbent assay for detection of porcine epidemic diarrhea virus specific antibodies (IgG) in serum of naturally infected pigsReactivity of sera to PEDV antigen in indirect ELISA using preserved antigen coated plates. d: day; w: week; m: month. Dotted line shows positive/ negative cut off value of ELISA. Number of PEDV positive and negative sera were not different between each plates even though time were difference after antigen coating and drying ELISA platesBack to article page