Table 3.
Chemical composition of hays fed
| Trial 11 | Trial 21 | Trial 31 | Trial 41 | |
|---|---|---|---|---|
| DM, % | 90.5 | 90.5 | 91.0 | 91.5 |
| CP, % DM | 12.8 | 12.9 | 15.9 | 10.1 |
| ADF, % DM | 39.4 | 37.8 | 38.0 | 49.1 |
| NDF, % DM | 58.2 | 58.5 | 64.9 | 64.9 |
| Calcium, % DM | 0.59 | 0.56 | 0.49 | 0.58 |
| Phosphorus, % DM | 0.30 | 0.27 | 0.36 | 0.15 |
| Magnesium, % DM | 0.25 | 0.25 | 0.25 | 0.14 |
| Potassium, % DM | 1.75 | 1.72 | 2.45 | 1.50 |
| Sodium, % DM | 0.04 | 0.02 | 0.04 | 0.01 |
| Iron, mg/kg DM | 99 | 116 | 191 | 138 |
| Zinc, mg/kg DM | 22 | 22 | 24 | 14 |
| Copper, mg/kg DM | 8 | 8 | 8 | 7 |
| Manganese, mg/kg | 79 | 76 | 72 | 29 |
| Cr, mg/kg | 0.117 | 0.161 | 0.208 | 0.164 |
1Average of a.m. and p.m. hay composite.