Table 3.
Summary of the linear regression for palmitic acid (C16:0) in milk in g/100 g fat without random effects, observations: n = 2,432
| C16:0 | Mean (SD) | Coefficient (95% CI, P-value) |
|---|---|---|
| Cowtype | ||
| Healthy (= ref) | 0.8 (1.0) | — |
| Clever | −0.3 (0.8) | −1.04 (−1.13 to −0.95, P < 0.001) |
| Athletic | 0.4 (0.9) | −0.36 (−0.53 to −0.20, P < 0.001) |
| Hypket. | −0.6 (0.9) | −1.31 (−1.52 to −1.11, P < 0.001) |
| PMAS | 0.5 (1.0) | −0.30 (−0.51 to −0.09, P < 0.005) |
| Parity | ||
| Multip. (= ref) | −0.0 (1.0) | — |
| Healthy × Multip. (= ref) | — | |
| Clever × Multip. | −1.06 (−1.14 to −0.97, P < 0.001) | |
| Athletic × Multip. | −0.34 (−0.51 to −0.17, P < 0.001) | |
| Hypket. × Multip. | −1.32 (−1.51 to −1.13, P < 0.001) | |
| PMAS × Multip. | −0.19 (−0.39 to 0.01, P < 0.057) | |
| Primip. | 0.0 (1.0) | 0.02 (−0.08 to 0.11, P < 0.722) |
| Healthy × Primip. (= ref) | — | |
| Clever × Primip. | −1.03 (−1.18 to −0.87, P < 0.001) | |
| Athletic × Primip. | 0.05 (−0.27 to 0.37, P < 0.740) | |
| Hypket. × Primip. | −0.98 (−1.67 to −0.30, P < 0.005) | |
| PMAS × Primip. | 0.15 (−0.52 to 0.22, P < 0.433) | |
| log(milk yield) [−11.3, 3.0] | 0.0 (1.0) | −0.21 (−0.25 to −0.18, P < 0.001) |
| Healthy × log(milk yield) (= ref) | — | |
| Clever × log(milk yield) | −0.22 (−0.27 to −0.17, P < 0.001) | |
| Athletic × log(milk yield) | −0.12 (−0.26 to 0.01, P < 0.065) | |
| Hypket. × log(milk yield) | −0.11 (−0.35 to 0.12, P < 0.346) | |
| PMAS × log(milk yield) | −0.21 (−0.40 to −0.03, P < 0.026) |
ref, reference; hypket., hyperketonemic; PMAS, poor metabolic adaptation syndrome; primip., primiparous; multip., multiparous.