Fig. 1From: Exploratory field study on the effect of Porcine circovirus 2 (PCV2) sow vaccination on serological, virological and reproductive parameters in a PCV2 subclinically infected sow herdIndividual PCV2 ELISA S/P results in serum samples from gilts and sows with different parity number prior to the start of the study (farm screening)Back to article page