Table 1 Composition and nutrient levels of basal diets (DM basis)
Item | Treatments | ||
|---|---|---|---|
SBM | RSM | CSM | |
Feed ingredients, % of DM | |||
 Corn | 31.50 | 30.00 | 30.00 |
 Soybean meal | 16.00 | / | / |
 Rapeseed meal | / | 19.04 | / |
 Cottonseed meal | / | / | 16.50 |
 Maize straw | 50.00 | 50.0 | 50.00 |
 CaCO3 | 0.24 | 0.00 | 0.00 |
 Ca3(PO4)2 | 0.68 | 0.79 | 1.17 |
 NaCl | 0.60 | 0.60 | 0.60 |
 Premixa | 1.00 | 1.00 | 1.00 |
Chemical composition (%) | |||
 ME (Mcal/kg) | 2.19 | 2.19 | 2.19 |
 CP | 12.26 | 12.26 | 12.26 |
 RUP | 7.10 | 7.96 | 7.52 |
 RDP | 6.98 | 3.96 | 3.89 |
 SC | 33.83 | 37.05 | 36.55 |
 NDF | 36.24 | 37.11 | 38.09 |
 ADF | 25.89 | 26.64 | 26.74 |
 Ca | 0.51 | 0.50 | 0.49 |
 P | 0.32 | 0.43 | 0.44 |