Table 3.
Herbage intake, milk yield and total milk solids, milk protein and milk urea nitrogen of cows grazing RGWC, PLL and PLH.
| Variable | RGWC | PLL | PLH | SEM | p-Value |
|---|---|---|---|---|---|
| Herbage intake (kg DM/cow/day) | 14.1 | 15.2 | 15.4 | 0.65 | 0.329 |
| Total apparent intake (kg DM/cow/day) 1 | 18.7 | 19.6 | 19.8 | 0.77 | 0.546 |
| Plantain intake (kg DM/cow/day) | 0.0 a | 3.5 b | 4.9 c | 0.32 | <0.001 |
| Plantain content of the diet (%) | 0.0 a | 17.7 b | 24.6 c | 1.45 | <0.001 |
| Milk yield (kg/cow/day) | 18.1 | 17.6 | 17.4 | 0.52 | 0.577 |
| Milk solids (g/100 g milk) | 14.4 | 14.8 | 14.3 | 0.21 | 0.231 |
| Milk solids (kg/cow/day) 2 | 2.63 | 2.61 | 2.47 | 0.07 | 0.178 |
| Milk protein (g/100 g milk) | 3.9 | 4.1 | 3.9 | 0.07 | 0.135 |
| Milk protein (kg/cow/day) | 0.71 | 0.71 | 0.66 | 0.02 | 0.104 |
| Milk urea nitrogen (mg/dL) | 13.8 a | 12.1 b | 10.8 c | 0.25 | <0.001 |
a,b,c Mean values in the same row with different superscripts differ (p < 0.05), 1 assuming cows utilised 90% of provided supplemented feeds; 2 milk solids include fat, protein, lactose and ash.