Table 1.
Chemical composition of concentrate and urea-treated rice straw (UTRS) used in the experiment (% DM)
| Ingredients | Dietary treatments
|
UTRS | |||
|---|---|---|---|---|---|
| T1 | T2 | T3 | T4 | ||
| Feed ingredients | |||||
| Cassava chip | 50.0 | 50.0 | 48.0 | 48.0 | – |
| Rice bran | 15.0 | 15.0 | 15.0 | 15.0 | – |
| Coconut meal | 12.5 | 12.5 | 14.9 | 14.9 | – |
| Palm kernel meal | 10.0 | 10.0 | 8.7 | 8.7 | – |
| Sunflower oil | 6.0 | 6.0 | 6.0 | 6.0 | – |
| Urea | 2.5 | 2.5 | 3.4 | 3.4 | – |
| Molasses | 2.0 | 2.0 | 2.0 | 2.0 | – |
| Salt | 0.5 | 0.5 | 0.5 | 0.5 | – |
| Sulfur | 0.5 | 0.5 | 0.5 | 0.5 | – |
| Di-calcium | 0.5 | 0.5 | 0.5 | 0.5 | – |
| Premix | 0.5 | 0.5 | 0.5 | 0.5 | – |
| Total | 100 | 100 | 100 | 100 | – |
| Chemical composition | |||||
| DM (%) | 91.2 | 91.3 | 91.0 | 90.1 | 59.8 |
| ----------------------% dry matter----------------- | |||||
| OM | 95.1 | 95.3 | 94.7 | 94.3 | 87.4 |
| Ash | 4.9 | 4.7 | 5.3 | 5.7 | 12.6 |
| CP | 16.4 | 16.5 | 19.0 | 19.1 | 6.5 |
| EE | 10.5 | 10.4 | 11.3 | 11.6 | 0.7 |
| NDF | 18.3 | 18.8 | 16.8 | 17.2 | 72.3 |
| ADF | 16.2 | 15.8 | 15.3 | 16.9 | 52.1 |
| TDN* | 83.0 | 83.0 | 82.4 | 82.4 | 55.1 |
UTRS = Urea-treated rice straw, DM = Dry matter, OM = Organic matter, CP = Crude protein, EE = Ether extract, NDF = Neutral detergent fiber, ADF = Acid detergent fiber, TDN = Total digestible nutrients.
*
Calculated values.