Table 2.
Feed and nutrient intake and body weight during pre- and postpartum in cows fed concentrate without (CON) or with Ca-octanoate supplementation (OCT).
| Treatments |
||||
|---|---|---|---|---|
| Item | CON | OCT | SEM | P-value |
| Prepartum | ||||
| Total DMI, kg/d | 6.05 | 5.93 | 0.20 | 0.78 |
| Hay DMI, kg/d | 4.16 | 4.23 | 0.19 | 0.87 |
| Concentrate DMI, kg/d | 1.84 | 1.69 | 0.06 | 0.20 |
| Soybean meal DMI, g/d | 48.7 | 11.0 | 15.2 | 0.23 |
| CP intake, kg/d | 1.05 | 1.02 | 0.03 | 0.64 |
| Ca-octanoate intake, g/d | – | 91.5 | 4.62 | – |
| TDN intake, kg/d | 3.95 | 3.85 | 0.13 | 0.70 |
| NEM intake, Mcal/d | 7.32 | 7.18 | 0.25 | 0.78 |
| NEL intake, Mcal/d | 6.96 | 6.82 | 0.23 | 0.78 |
| BW, kg | 511 | 486 | 20.3 | 0.56 |
| Postpartum | ||||
| Total DMI, kg/d | 8.02 | 7.59 | 0.22 | 0.36 |
| Hay DMI, kg/d | 5.45 | 5.23 | 0.26 | 0.69 |
| Concentrate DMI, kg/d | 2.08 | 1.86 | 0.12 | 0.36 |
| Soybean meal DMI, g/d | 478 | 496 | 107 | 0.94 |
| CP intake, kg/d | 1.54 | 1.47 | 0.06 | 0.58 |
| Ca-octanoate intake, g/d | – | 118 | 5.14 | – |
| TDN intake, kg/d | 5.24 | 4.94 | 0.14 | 0.30 |
| NEM intake, Mcal/d | 11.29 | 10.65 | 0.28 | 0.27 |
| NEL intake, Mcal/d | 10.8 | 10.1 | 0.27 | 0.27 |
| BW, kg | 465 | 442 | 20.1 | 0.59 |
DMI = dry matter intake, CP = crude protein, TDN = total digestible nutrients, NEM = net energy for maintenance, NEL = net energy for lactation, BW = body weight.