From: Effect of enriched housing on levels of natural (auto-)antibodies in pigs co-infected with porcine reproductive and respiratory syndrome virus (PRRSV) and Actinobacillus pleuropneumoniae
Barren
Enriched
p value
KLH-IgM
0.50 ± 0.11
0.76 ± 0.18
ns
KLH-IgG
−0.32 ± 0.19
0.35 ± 0.11
*
MBP-IgM
0.26 ± 0.13
0.70 ± 0.15
MBP-IgG
0.46 ± 0.21
1.58 ± 0.31
**
PC-BSA-IgM
0.48 ± 0.13
1.37 ± 0.24
PC-BSA-IgG
−1.45 ± 0.22
−0.67 ± 0.18