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Table 1 Results of PRRSV Ab ELISAs at the sampling points, number of positive animals

From: Performance of ELISAs for detection of antibodies against porcine respiratory and reproductive syndrome virus in serum of pigs after PRRSV type 2 live vaccination and challenge

Study day −42 −35 −21 0 3 7 10 14 21 28
Group V n = 10 n = 10 n = 10 n = 10 n = 10 n = 10 n = 10 n = 10 n = 10 n = 10
IDEXX 0 0 9 10 9 10 10 10 9 9
INgezim 0 0 10 10 10 10 10 10 10 10
HIPRA A/S 0 0 1 10 10 10 10 10 10 10
HIPRA E/S 0 0 0 0 1 1 3 3 1 3
QIAGEN 0 0 10 10 10 10 10 10 10 10
AJ 0 0 8 10 10 10 10 10 10 10
Group N n = 10 n = 10 n = 10 n = 10 n = 10 n = 10 n = 10 n = 10 n = 10 n = 10
IDEXX n.d. n.d. n.d. 0 0 0 6 10 10 10
INgezim n.d. n.d. n.d. 0 0 0 10 10 10 10
HIPRA A/S n.d. n.d. n.d. 0 0 0 0 0 8 10
HIPRA E/S n.d. n.d. n.d. 0 0 0 0 0 1 1
QIAGEN n.d. n.d. n.d. 0 0 0 7 10 10 10
AJ n.d. n.d. n.d. 0 0 0 0 8 10 10
  1. Group V: vaccination with a PRRSV live vaccine at day −42
  2. Groups V and N: challenge with an HP PRRSV field strain at day 0
  3. n.d.: not done