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Table 1 Distribution of serum and oral fluid samples below (negative) versus above (positive) the PCV2-qPCR test detection limit for finishing pigs in 2 herds

From: Comparison of serum pools and oral fluid samples for detection of porcine circovirus type 2 by quantitative real-time PCR in finisher pigs

     Serum
  Sampling    Positive Negative
Herd 1 (n = 50) 1 Oral fluid Positive 39 4
    Negative 1 6
Herd 2 (n = 65) 1 Oral fluid Positive 43 22
    Negative 0 0
  2 Oral fluid Positive 65 0
    Negative 0 0
  3 Oral fluid Positive 64 1
    Negative 0 0
  4 Oral fluid Positive 65 0
    Negative 0 0
Total     277 33