Table 1.
Composition and nutritional profile of the diet offered for ad libitum consumption in the GrowSafe system to steers during the 84-d growing phase
| Item | Value |
|---|---|
| Composition, as-fed basis | |
| Soyhulls (pelleted), % | 63.00 |
| Dried distillers grains (pelleted), % | 11.00 |
| Whole shelled corn, % | 11.00 |
| Wheat middlings, % | 10.00 |
| Blended animal-vegetable fat, % | 1.00 |
| Mineral mix1, % | 4.00 |
| Nutritional profile2, dry matter basis | |
| Net energy for maintenance3, Mcal/kg | 1.53 |
| Net energy for gain3, Mcal/kg | 0.95 |
| Total digestible nutrients, % | 65.42 |
| Neutral detergent fiber, % | 42.89 |
| Acid detergent fiber, % | 30.86 |
| Ash, % | 7.05 |
| Ether extract, % | 4.04 |
| Starch, % | 15.62 |
| Crude protein, % | 14.43 |
1Containing 12.5% urea, 24.999% limestone, 21.812% dicalcium phosphate, 12.5% white salt, 0.185% vitamin A-30, 0.185% vitamin D-3, 0.555% vitamin E, 17.5% gypsum, 0.95% selenium, 0.425% Rumensin 90, 7.5% potassium chloride, 0.15% copper sulfate, 0.5% zinc sulfate, 0.237% manganese sulfate, 0.002% cobalt carbonate.
2Based on wet chemistry procedures by a commercial laboratory (Rock River Laboratory, Wooster, OH).
3Calculations for net energy for maintenance and gain of the diet using the feed composition estimates provided by NASEM (2016).