Table 3.
Least squares means (standard error) and significance (P) of fixed effects obtained from the univariate analysis
| Traita | Parity | Calving seasonb | Herd | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | ≥ 5 | P (F-value) | Winter | Spring | Summer | Autumn | P(F-value) | P(F-value) | |
| IgG, g/L | ||||||||||||
| Reference | 86.29 (4.83) | 84.61 (4.73) | 105.91 (4.85) | 109.31 (5.73) | 112.31 (5.65) | < 0.001 (14.17) | 93.58 (4.82) | 95.50 (5.46) | 102.54 (4.66) | 106.64 (4.65) | 0.007 (4.06) | < 0.001 (3.93) |
| 100% | 87.05 (5.38) | 83.81 (5.27) | 104.95 (5.43) | 112.65 (6.39) | 102.78 (6.33) | < 0.001 (10.28) | 95.11 (5.37) | 94.52 (6.10) | 100.39 (5.19) | 102.97 (5.19) | 0.239 (1.41) | < 0.001 (4.76) |
| 80% | 84.44 (5.60) | 84.91 (5.49) | 103.88 (5.64) | 111.71 (6.64) | 102.98 (6.59) | < 0.001 (9.28) | 97.10 (5.59) | 93.89 (6.37) | 97.19 (5.41) | 102.16 (5.39) | 0.433 (0.92) | < 0.001 (3.93) |
| 60% | 82.52 (5.46) | 83.64 (5.34) | 100.39 (5.48) | 107.29 (6.47) | 96.50 (6.39) | < 0.001 (7.58) | 94.05 (5.45) | 90.49 (6.18) | 92.61 (5.26) | 99.11 (5.25) | 0.312 (1.19) | < 0.001 (3.25) |
| IgA, g/L | ||||||||||||
| Reference | 3.61 (0.38) | 4.79 (0.37) | 6.23 (0.38) | 6.41 (0.47) | 6.53 (0.46) | < 0.001 (21.60) | 5.33 (0.40) | 5.13 (0.43) | 5.62 (0.36) | 5.97 (0.36) | < 0.001 (2.10) | < 0.001 (5.10) |
| 100% | 4.01 (0.21) | 4.42 (0.20) | 5.30 (0.21) | 5.25 (0.26) | 4.90 (0.25) | < 0.001 (14.39) | 4.66 (0.22) | 4.73 (0.24) | 4.52 (0.20) | 5.20 (0.20) | < 0.001 (6.46) | < 0.001 (3.67) |
| IgM, g/L | ||||||||||||
| Reference | 5.05 (0.35) | 4.98 (0.34) | 6.47 (0.35) | 5.82 (0.41) | 5.84 (0.41) | < 0.001 (7.10) | 5.31 (0.65) | 5.25 (0.40) | 6.05 (0.34) | 5.91 (0.34) | 0.024 (3.16) | < 0.001 (5.00) |
| 100% | 4.63 (0.18) | 4.50 (0.17) | 4.97 (0.18) | 5.27 (0.21) | 4.96 (0.21) | < 0.001 (5.60) | 5.18 (0.18) | 4.67 (0.20) | 4.49 (0.17) | 5.12 (0.17) | < 0.001 (9.41) | 0.004 (2.61) |
aImmunoglobulins G (IgG), A (IgA), and M (IgM) determined with reference method and predicted from NIRS spectra using 100, 80, and 60% of calibration set
bDefined as: winter (December to February), spring (March to May), summer (June to August), autumn (September to November)