Table 2.
Calculated nutrient and laboratory analysis of diet samples
| Diet designation | |||
|---|---|---|---|
| Nutrient | Formulated | CON Finishinga | ZnMet Finishingb |
| Dry matter (%) | 83.5 | 86.60 | 85.40 |
| Crude protein (%) | 13.3 | 15.80 | 15.70 |
| Acid detergent fiber (%) | – | 10.00 | 10.90 |
| Neutral detergent fiber, (%) | – | 19.00 | 20.80 |
| Calcium (%) | 0.74 | 0.96 | 0.85 |
| Phosphorus (%) | 0.41 | 0.45 | 0.43 |
| Magnesium (%) | 0.25 | 0.25 | 0.25 |
| Potassium (%) | – | 1.02 | 1.00 |
| Sodium (%) | – | 0.28 | 0.29 |
| Sulfur (%) | 0.24 | 0.27 | 0.26 |
| Iron (ppm) | – | 317 | 352 |
| Zinc (ppm) | 94/160c | 122 | 163 |
| Copper (ppm) | 23 | 28 | 28 |
| Manganese (ppm) | 61 | 77 | 72 |
| Molybdenum (ppm) | - | 1.00 | 1.20 |
| Cobalt (ppm) | 0.70 | 1.40 | 1.30 |
| Selenium (ppm) | 0.40 | 0.60 | 0.59 |
| Iodine (ppm) | 0.80 | 1.10 | 1.14 |
Samples analyzed by Forage Testing Laboratory, Ithaca, NY, except for Se and I which were analyzed by Michigan State University, Diagnostic Center for Population and Animal Health
aCON: Control 90 ppm Zn added from ZnSO4
bZnMet: Control plus 720 mg Zn added from ZINPRO® zinc methionine
cFormulated Zn levels for CON and ZnMet diets, respectively