Table 1.
Ingredient composition of CS fed to calves
| Treatment1 | ||||
|---|---|---|---|---|
| Ingredient | CS | MON | EOC | MON + EOC |
| ----------- (% of mix) ----------- | ||||
| Corn, ground | 40.3 | 40.3 | 40.3 | 39.6 |
| Soybean meal, 48% | 35.0 | 35.0 | 35.0 | 35.0 |
| Corn distillers | 11.0 | 11.0 | 11.0 | 11.0 |
| Cottonseed meal | 6.80 | 6.80 | 6.80 | 6.80 |
| Molasses, beet | 4.00 | 4.00 | 4.00 | 4.00 |
| Calcium carbonate | 1.63 | 1.63 | 1.63 | 1.63 |
| CaHPO4 | 0.10 | 0.10 | 0.10 | 0.10 |
| Salt, white | 0.10 | 0.10 | 0.10 | 0.10 |
| Magnesium oxide | 0.07 | 0.07 | 0.07 | 0.07 |
| Selenium yeast | 0.02 | 0.02 | 0.02 | 0.02 |
| Soybean oil | 0.80 | 0.80 | 0.80 | 0.80 |
| MON, 19.8% | — | 0.36 | — | 0.36 |
| Essential oil/Co mix2 | — | — | 0.40 | 0.40 |
| Premix | 0.14 | 0.14 | 0.14 | 0.14 |
1CS, calf starter; MON, CS containing monensin; EOC, CS containing essential oil and cobalt; MON+EOC, CS containing monensin, essential oils and cobalt.
2Premix contains 9,000 IU vitamin A, 2,400 IU Vitamin D, 47.22 mg, 206.74 mg Fe, 33.49 mg Cu, 108.8 mg Zn, 79.99 mg Mn, 0.44 mg Se, 0.60 mg I, and 0.36 mg Co per kg of premix (Rum-A-Fresh, Ralco, Inc., Marshall, MN).