Table 4 Aining increasing starch levels (25, 35, and 45%) and additives (monensin, blend of essential oil + exogenous α-amylase) in diets for Nellore cattle feedlot.
Starch level (%) | Diets | ||||||||
|---|---|---|---|---|---|---|---|---|---|
25 | 35 | 45 | |||||||
Adap. 1 | Adap. 2 | Finishing | Adap. 1 | Adap. 2 | Finishing | Adap. 1 | Adap. 2 | Finishing | |
Ingredients (g/kg) | |||||||||
Sugarcane bagasse | 350 | 250 | 150 | 350 | 250 | 150 | 350 | 250 | 150 |
Corn grain grind | 300 | 330 | 360 | 300 | 400 | 500 | 300 | 470 | 640 |
Soybean meal | 90 | 55 | 20 | 90 | 65 | 40 | 90 | 75 | 60 |
Whole cottonseed | 60 | 80 | 100 | 60 | 80 | 100 | 60 | 80 | 100 |
Soybean hulls | 150 | 235 | 320 | 150 | 155 | 160 | 150 | 75 | 0 |
Mineral and vitamin supplement | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
Nutrient content (dry matter, g/kg) | |||||||||
CP | 146 | 147 | 146 | 146 | 147 | 146 | 146 | 145 | 145 |
TDN | 660 | 680 | 690 | 660 | 690 | 730 | 660 | 720 | 770 |
DPI | 510 | 510 | 500 | 510 | 510 | 520 | 510 | 520 | 530 |
NDF | 437 | 424 | 412 | 437 | 382 | 330 | 437 | 316 | 252 |
peNFD7 | 360 | 300 | 250 | 360 | 290 | 230 | 360 | 280 | 220 |
Ca | 7.7 | 7.5 | 7.3 | 7.7 | 7.5 | 7.3 | 7.7 | 7.6 | 7.5 |
P | 3.1 | 2.8 | 2.5 | 3.1 | 3.1 | 3.1 | 3.1 | 3.6 | 3.7 |
Starch | 209.5 | 230.8 | 254.6 | 209.5 | 284.0 | 355.0 | 209.5 | 372.8 | 458.0 |
NE Mcal/kg DM | 2.4 | 2.4 | 2.4 | 2.4 | 2.5 | 2.6 | 2.4 | 2.6 | 2.7 |
