Table 2.
Ingredient and chemical composition of total mixed ration (TMR) diets consisting of untreated rice stubble (URS), urea-treated rice stubble (UTRS), and urea-fungi-treated rice stubble (UFTRS).
| Item | TMR Diet | ||
|---|---|---|---|
| URS | UTRS | UFTRS | |
| Ingredient, g/kg DM | |||
| Constant components 1 | 150 | 150 | 150 |
| Cassava hay | 470 | 485 | 493 |
| Untreated rice stubble | 350 | - | - |
| Urea-treated rice stubble | - | 350 | - |
| Urea-fungi-treated rice stubble | - | - | 350 |
| Urea | 30 | 15 | 7 |
| Chemical composition, g/kg DM | |||
| Dry matter (g/kg fresh weight) | 463 | 488 | 420 |
| Organic matter (g/kg DM) | 918 | 922 | 845 |
| Crude protein (g/kg DM) | 122 | 120 | 123 |
| Ether extract (g/kg DM) | 15 | 16 | 16 |
| Neutral detergent fiber (g/kg DM) | 354 | 354 | 325 |
| Acid detergent fiber (g/kg DM) | 244 | 254 | 241 |
| Acid detergent lignin (g/kg DM) | 17 | 3 | 03 |
| Non-structural carbohydrates 2 | 427 | 432 | 382 |
1 The constant components consisted of the following ingredients (% as fed): rice bran, 5.0; soybean meal, 3.0; molasses, 5.0; salt, 0.4; sulfur, 0.2; di-calcium phosphate, 0.5; limestone, 0.2; premix, 0.7. 2 Calculated as organic matter—crude protein—ether extract—neutral detergent fiber. DM: dry matter.