Table 2.
Ingredients and chemical compositions of experimental diets
| Items | Treatment | |||
|---|---|---|---|---|
|
| ||||
| WPCS | WPCSW | CS | SCS | |
| Ingredient (% of dry matter) | ||||
| Whole plant corn silage | 24.24 | 14.65 | 0.00 | 0.00 |
| Corn stalklage | 0.00 | 0.00 | 23.06 | 0.00 |
| Sweet corn stalklage | 0.00 | 0.00 | 0.00 | 23.38 |
| Peanut vine | 17.98 | 18.11 | 17.78 | 18.63 |
| Wheat straw | 0.00 | 9.06 | 0.00 | 0.00 |
| Dried distiller’s grains with solubles | 12.18 | 11.65 | 12.04 | 10.40 |
| Corn, ground | 14.05 | 14.74 | 15.90 | 15.88 |
| Tofukasu | 0.56 | 0.57 | 0.56 | 0.57 |
| Concentrate feed | 30.99 | 31.22 | 30.66 | 31.14 |
| Forage to concentrate ratio | 42:58 | 42:58 | 41:59 | 42:58 |
| Nutrient composition (% of dry matter unless otherwise stated) | ||||
| Dry matter (% of fresh matter) | 51.91 | 51.51 | 52.48 | 50.63 |
| NEmf1) (Mcal/kg) | 1.44 | 1.39 | 1.37 | 1.41 |
| Crude protein | 14.29 | 14.17 | 14.68 | 14.59 |
| Ether extract | 3.40 | 3.38 | 3.80 | 3.93 |
| Neutral detergent fiber | 34.70 | 37.79 | 36.52 | 33.66 |
| Acid detergent fiber | 24.34 | 25.72 | 24.78 | 22.66 |
WPCS, whole plant corn silage-based diet; WPCSW, mixed forages-based diet was formulated by substituting a portion of whole plant corn silage with wheat straw; CS, corn stalklage-based diet; SCS, sweet corn stalklage-based diet.
1)
NEmf was calculated value, while the others were measured values.