Table 2.
Test diet composition and nutrition level (dry matter basis) %.
| Items | Groups ⸸ | ||||
|---|---|---|---|---|---|
| CON | PSMS5 | PSMS10 | PSMS15 | PSMS20 | |
| Ingredients | |||||
| P.SMS | 0.00 | 5.00 | 10.00 | 15.00 | 20.00 |
| Whole Corn silage | 52.36 | 47.36 | 42.36 | 37.36 | 32.36 |
| Cornstalk | 7.64 | 7.64 | 7.64 | 7.64 | 7.64 |
| Corn | 12.08 | 12.08 | 12.08 | 12.08 | 12.08 |
| Wheat bran | 6.32 | 6.32 | 6.32 | 6.32 | 6.32 |
| Soybean meal | 19.10 | 19.10 | 19.10 | 19.10 | 19.10 |
| NaCl | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Premix * | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 |
| Total | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |
| Nutrient levels † | |||||
| ME (MJ/kg) ‡ | 9.10 | 9.18 | 9.27 | 9.36 | 9.44 |
| CP | 14.41 | 14.51 | 14.60 | 14.69 | 14.81 |
| NDF | 42.53 | 41.73 | 40.93 | 40.13 | 39.33 |
| ADF | 25.51 | 24.56 | 23.62 | 22.67 | 21.73 |
| Ca | 0.49 | 0.62 | 0.75 | 0.86 | 1.02 |
| TP | 0.38 | 0.38 | 0.37 | 0.37 | 0.36 |
*
Premix provided the following per kg in basic diets: 10 mg of iron, 135 mg of manganese, 100 mg of zinc, 0.5 mg of cobalt, 12.5 mg of copper, 0.3 mg of selenium, 1.5 mg of iodine, 1,400 IU of vitamin A, 500 IU of vitamin D, and 50 mg of vitamin E.
†
ME, metabolic energy; CP, crude protein; NDF, neutral detergent fiber; ADF, acid detergent fiber; TP, total phosphorus.
‡
The metabolic energy and metabolizable protein in the nutritional level were calculated reference to the Nutritional Requirements of Sheep for Meat in China, and the rest were measured values.
⸸
P.SMS replaced WPCS at levels of 0%, CON; 5%, PSMS5; 10%, PSMS10; 15%, PSMS15; or 20%, PSMS20.