Table 10 Ingredients and chemical compositions of experimental diets (g/kg, DM basis).
Item | Cactus pear silage | ||
|---|---|---|---|
0 | 21 | 42 | |
Ingredients | |||
Ground corn | 310 | 270 | 130 |
Soybean meal | 70.0 | 90.0 | 90.0 |
Wheat bran | 10.0 | 30.0 | 170 |
Tifton 85 hay | 600 | 390 | 180 |
Cactus pear silage | 0.00 | 210 | 420 |
Mineral premix1 | 10.0 | 10.0 | 10.0 |
Chemical composition, g/kg DM | |||
Dry matter, g/kg as fed | 870 | 707 | 542 |
Ash | 98.7 | 78.4 | 82.9 |
Crude protein | 112 | 116 | 124 |
Ether extract | 25.0 | 24.6 | 23.9 |
Neutral detergent fiber ap2 | 496 | 408 | 357 |
Neutral detergent insoluble nitrogen, g/kg CP | 314 | 230 | 123 |
Acid detergent insoluble nitrogen, g/kg CP | 78.0 | 63.0 | 42.9 |
Acid detergent fiber | 263 | 225 | 196 |
Acid detergent lignin | 55.3 | 50.3 | 46.9 |
Hemicellulose | 233 | 183 | 161 |
Cellulose | 208 | 175 | 149 |
Carbohydrate total | 764 | 781 | 769 |
Non-fibrous carbohydrate | 268 | 373 | 412 |
Metabolizable energy (Mcal/kg) | 2.18 | 2.22 | 2.32 |
Total digestible nutrients | 647 | 678 | 697 |
Macrominerals, g/kg DM | |||
Calcium, Ca | 4.04 | 6.10 | 7.80 |
Phosphorus, P | 2.44 | 2.44 | 2.44 |
Magnesium, Mg | 3.21 | 3.47 | 3.70 |
Sodium, Na | 3.75 | 4.51 | 5.56 |
Potassium, K | 0.76 | 0.77 | 0.75 |
Ca:P ratio | 1.65:1 | 2.50:1 | 3.48:1 |