Table 1.
Ingredient and nutrient composition of experimental dietsa
| Item | Starter diet | Finisher dietb |
|---|---|---|
| Ingredient, % of DM | ||
| Sweet branc | 56.41 | 43.47 |
| Corn stalks, chopped | 19.05 | 4.30 |
| Steam-flaked corn | 13.90 | 37.34 |
| Brix molassesd | 7.30 | 7.31 |
| Corn oil | — | 3.82 |
| Grower supplemente | 3.34 | — |
| Finisher supplementf | — | 3.76 |
| Nutrient analysis, DM % | ||
| NEm, Mcal/kg | 1.79 | 2.20 |
| NEg, Mcal/kg | 1.15 | 1.52 |
| Crude protein, % | 16.50 | 14.60 |
| Calcium, % | 1.03 | 0.97 |
| Phosphorus, % | 0.64 | 0.56 |
aAnalysis and calculation performed by Servi-Tech Laboratories, Amarillo, TX.
bTransition from starter diet to finisher diet began on day 57 using a two-ration split system, where, in the total daily feed, call per pen was split as 75% starter/25% finisher for 3 d, 50% starter/50% finisher for 7 d, and 25% starter/75% finisher for 3 d. The finisher diet was fed for the remainder of the study.
cWet corn gluten feed (Cargill Inc., Blair, NE).
dCane molasses with condensed whey solubles (Westway Feed Products, Tomball, TX).
eGrower supplement formulated to supply 26.47% Ca, 0.07% P, 7.69% Na, 8.83% K, 1.50% Mg, 0.23% S, 1,094 mg/kg Mn, 2,052 mg/kg Zn, 237.2 mg/kg Fe, 756.8 mg/kg Cu, 5.47 mg/kg Se, 2.32 mg/kg Co, 12.03 mg/kg I, 27.32 IU/kg Vit A, 124.05 IU/kg Vit E, and 603.64 mg/kg monensin sodium on a DM basis (Hi-Pro Feeds, Friona, TX).
fFinisher supplement formulated to supply 26.36% Ca, 0.07% P, 7.72% Na, 2.83% K, 1.50% Mg, 0.22% S, 1,096 mg/kg Mn, 2,054 mg/kg Zn, 236.3 mg/kg Fe, 555.0 mg/kg Cu, 5.48 mg/kg Se, 2.32 mg/kg Co, 12.03 mg/kg I, 27.33 IU/kg Vit A, 124.06 IU/kg Vit E, 996.16 mg/kg monensin sodium, and 271.42 mg/kg tylosin phosphate on a DM basis (Hi-Pro Feeds, Friona, TX).