Table 6.
Correlations between immune traits and average daily gain for SPF and non-SPF pigs1, 2
| Farm | SPF | Non-SPF | ||||
|---|---|---|---|---|---|---|
| Trait | rg | rp | re | rg | rp | re |
| WBC | -0.06 (0.24) | -0.03 (0.05) | -0.02 (0.12) | -0.69 (0.36) | -0.10 (0.05) | -0.32 (0.10) |
| MNL% | -0.56 (0.44) | 0.09 (0.07) | 0.35 (0.16) | -0.32 (0.37) | 0.16 (0.06) | -0.11 (0.12) |
| PMNL% | 0.75 (0.40) | -0.07 (0.07) | -0.40 (0.16) | -0.50 (0.34) | -0.17 (0.06) | -0.04 (0.13) |
| PBML subsets: | ||||||
| CD4+ | -0.15 (0.16) | -0.05 (0.05) | 0.13 (0.23) | -0.10 (0.33) | -0.02 (0.06) | -0.03 (0.16) |
| CD8α+ | -0.35 (0.20) | -0.09 (0.05) | 0.10 (0.13) | -0.08 (0.36) | -0.01 (0.07) | -0.06 (0.18) |
| CD8αβ+ | 0.01 (0.25) | -0.03 (0.06) | -0.05 (0.18) | -0.31 (0.42) | 0.04 (0.08) | -0.07 (0.15) |
| CD11R1+ total | -0.08 (0.20) | -0.14 (0.05) | -0.19 (0.13) | -0.68 (0.29) | -0.16 (0.06) | -0.05 (0.12) |
| CD11R1+ CD8+ | -0.25 (0.19) | -0.11 (0.05) | 0.01 (0.14) | -0.44 (0.40) | -0.05 (0.07) | -0.10 (0.14) |
| CD11R1+ CD8- | 0.20 (0.21) | -0.07 (0.05) | -0.27 (0.13) | -0.34 (0.39) | -0.18 (0.07) | -0.12 (0.13) |
| γδ+ T cell | 0.13 (0.19) | 0.17 (0.05) | 0.22 (0.13) | -0.24 (0.39) | 0.15 (0.06) | -0.28 (0.11) |
| B cell | -0.01 (0.22) | -0.03 (0.05) | -0.06 (0.13) | -0.33 (0.53) | -0.05 (0.06) | -0.12 (0.10) |
| monocytes | -0.46 (0.23) | -0.17 (0.05) | -0.01 (0.12) | -0.27 (0.39) | -0.02 (0.06) | -0.11 (0.11) |
| CD14+ | -0.33 (0.68) | -0.18 (0.06) | -0.18 (0.13) | -0.44 (0.38) | -0.07 (0.07) | -0.37 (0.19) |
| CD16+ | -0.38 (0.33) | -0.19 (0.07) | -0.09 (0.17) | -3 | -3 | -3 |
| APP, μg/ml: | ||||||
| haptoglobin | -0.18 (0.34) | -0.27 (0.06) | -0.33 (0.17) | -0.13 (0.46) | -0.30 (0.05) | -0.34 (0.09) |
| TTR, | -0.33 (0.47) | -0.16 (0.05) | 0.26 (0.16) | -0.80 (0.43) | -0.09 (0.07) | -0.12 (0.14) |
| CRP | -0.12 (0.41) | -0.10 (0.07) | -0.09 (0.16) | -0.22 (0.54) | -0.05 (0.06) | -0.01 (0.11) |
| AGP | -0.53 (0.20) | -0.49 (0.05) | -0.46 (0.15) | -0.72 (0.22) | -0.48 (0.04) | -0.42 (0.10) |
1Correlations significantly different from zero are shown in bold. 2 White blood cells expressed as no. cells × 106/mL, PBML sub-sets expressed as proportion of mononuclear leucocytes and antigen density expressed as the number of antibody binding sites per cell (see Materials and Methods). 3 Did not converge.