Table 6.
Effects of different nutrient levels on colostrum and milk composition of lactating sows during summer season
| Items | ST1) | HE11) | HE21) | SEM | p-value |
|---|---|---|---|---|---|
| Colostrum (%) | |||||
| Total solid | 22.51 | 22.41 | 22.71 | 0.64 | 0.945 |
| Protein | 15.55 | 15.39 | 15.79 | 0.51 | 0.860 |
| Fat | 5.54 | 5.43 | 5.65 | 0.21 | 0.759 |
| Lactose | 3.65 | 3.61 | 3.73 | 0.16 | 0.881 |
| Milk (%) (10 d postpartum) | |||||
| Total solid | 17.43 | 18.38 | 18.73 | 0.67 | 0.396 |
| Protein | 5.69 | 6.03 | 6.16 | 0.17 | 0.151 |
| Fat | 7.14 | 7.59 | 7.74 | 0.30 | 0.358 |
| Lactose | 5.20 | 5.56 | 5.79 | 0.20 | 0.149 |
SEM, standard error of means.
1)
ST, standard diet, NRC [19]; HE1, high nutrient level 1, ST+3% higher energy and 16.59% protein; HE2, high nutrient level 2, ST+6% higher energy and 17.04% protein.