Table 1.
Nutrient composition of custom-formulated concentrate and Coastal bermudagrass (Cynodon dactylon) hay offered to yearling horses
| Nutrient1 | Concentrate2 | Coastal bermudagrass hay3 |
|---|---|---|
| DE, Mcal/kg | 0.61 | 0.39 |
| CP, % | 18.00 | 13.00 |
| CF, % | 8.80 | 1.70 |
| NDF,% | 30.40 | 71.60 |
| ADF,% | 15.20 | 40.30 |
| Starch, % | 18.00 | 1.00 |
| Crude fat, % | 8.40 | 1.70 |
| Ca, % | 1.40 | 0.44 |
| P, % | 1.06 | 0.22 |
| K,% | 1.40 | 0.88 |
| Mg, % | 0.57 | 0.17 |
| Na, % | 0.62 | 0.30 |
| Cl, % | 1.08 | 0.52 |
| S, % | 0.30 | 0.24 |
| Co, ppm | 2.00 | 0.50 |
| Fe, ppm | 813.00 | 184.00 |
| Zn, ppm | 217.00 | 34.00 |
| Cu, ppm | 56.00 | 7.00 |
| Mn, ppm | 189.00 | 241.00 |
1Values presented on a 100% dry matter (DM) basis. ADF, acid detergent fiber; CF, crude fiber; CP, crude protein; DE, digestible energy; NDF, neutral detergent fiber.
2Concentrate = basal grain diet fed to all horses at 1.25% body weight (DM basis) per day.
3Coastal bermudagrass (Cynodon dactylon) hay was offered ad libitum to all horses.