Table 2.
Performance of cows from control and linseed treatments measured in the loose- and tied-housing phases (means ± standard deviation).
| Housing | Loose (Group) | Tied (Individual) | ||||
|---|---|---|---|---|---|---|
| Item | Control | Linseed | p–Value | Control | Linseed | p–Value |
| Body weight (BW, kg)1 | 681 ± 93 | 682 ± 84 | 0.971 | 756 ± 71 | 761 ± 38 | 0.883 |
| Energy-corrected milk (ECM, kg·day−1)1 | 33.2 ± 7.9 | 36.3 ± 10.0 | 0.294 | 26.4 ± 5.7 | 30.5 ± 9.3 | 0.386 |
| Milk fat (kg·day−1)1 | 1.40 ± 0.34 | 1.46 ± 0.51 | 0.661 | 1.08 ± 0.21 | 1.16 ± 0.38 | 0.652 |
| Intake (kg·day−1)2 | ||||||
| Dry matter (DMI) | 19.3 ± 0.4 | 19.5 ± 0.4 | 0.417 | 20.1 ± 1.6 | 19.6 ± 2.0 | 0.665 |
| Organic matter | 17.9 ± 0.4 | 18.0 ± 0.4 | 0.754 | 18.7 ± 1.5 | 18.1 ± 1.9 | 0.564 |
| Neutral detergent fiber | 6.58 ± 0.14 | 7.14 ± 0.17 | 0.002 | 6.91 ± 0.29 | 7.24 ± 0.36 | 0.108 |
| Acid detergent fiber | 4.01 ± 0.09 | 4.40 ± 0.11 | 0.001 | 4.15 ± 0.16 | 4.39 ± 0.20 | 0.045 |
| Efficiency | ||||||
| ECM per BW (kg·100 kg−1)1 | 4.93 ± 0.12 | 5.37 ± 0.14 | 0.312 | 3.55 ± 0.97 | 4.02 ± 1.25 | 0.488 |
| ECM per BW (g·kg−0.75)1 | 251 ± 59 | 273 ± 71 | 0.292 | 185 ± 48 | 211 ± 65 | 0.458 |
| ECM1 per DMI2 (kg·kg−1) | 1.72 ± 0.41 | 1.86 ± 0.51 | 0.111 | 1.31 ± 0.23 | 1.53 ± 0.32 | 0.204 |
1 Individual observations in the loose- (2 treatments × 20 animals) and tied- (2 treatments × 6 animals) housing system. 2 Group observations (two treatments × 4 days) in the loose housing and individual observations (2 treatments × 6 animals) in the tied-housing system.