Table 4.
Forage quality from wheat pasture grazed by stocker cattle supplemented with free-choice minerals on the Southern Plains Experimental Range near Ft. Supply, OK (experiment 2)
| Mineral supplemented | ||||
|---|---|---|---|---|
| Item/period | No | Yesa | SE | P-value |
| Forage crude protein, % of OM | ||||
| First 42 d | 20.5 | 18.6 | 1.20 | 0.05 |
| Second 42 d | 18.2 | 18.5 | 1.37 | 0.73 |
| Overall, 84 d | 19.4 | 18.6 | 1.20 | 0.34 |
| Forage IVOMD, % | ||||
| First 42 d | 71.7 | 73.1 | 2.66 | 0.53 |
| Second 42 d | 65.7 | 66.4 | 1.51 | 0.37 |
| Overall, 84 d | 68.7 | 69.8 | 0.80 | 0.35 |
| Forage neutral detergent fiber, % of OM | ||||
| First 42 d | 41.8 | 42.5 | 2.33 | 0.46 |
| Second 42 d | 48.2 | 48.1 | 2.83 | 0.90 |
| Overall, 84 d | 45.0 | 45.3 | 2.27 | 0.68 |
| Forage acid detergent fiber, % of OM | ||||
| First 42 d | 21.7 | 21.7 | 0.89 | 0.92 |
| Second 42 d | 28.4 | 28.1 | 0.66 | 0.51 |
| Overall, 84 d | 25.1 | 24.9 | 0.58 | 0.71 |
aFree-choice mineral (Wheat Pasture Pro Mineral; Land O Lakes Purina Feed, LLC, Saint Paul, MN) supplied in ground-style mineral feeders (Sioux Steel Company; Sioux City, SD).