Figure 3. Proportion of positive pools for SOV, PCV3, PCMV and PRCV in suckling pigs and weaners of 8 monitored farms. The numbers within the bars indicate the average Ct value of the positive samples. PRCV= porcine respiratory coronavirus; SOV= swine orthopneumovirus; PCMV = porcine cytomegalovirus; PCV3 = porcine circovirus 3.