From: Monitoring PRRSV-1 in suckling piglets in an endemic herd using reverse transcriptase quantitative real time polymerase chain reaction: comparison of the rate of detection in serum and oral fluid samples and evaluation of pooling
Number of PRRSV RNA-positive samples
Index test
Standard
Rate of detection
95% Confidence Interval
Serum
16
26
62%
41–80
Individual Oral Fluid
6
23%
9–44
Collective Oral Fluid
20
77%
56–91
Serum + collective Oral Fluid
25
96%
80–100