Table 2.
Ingredient and nutrient composition of diets (Exp. 3 and 4)1
| Ingredient, % of DM | Corn silage hybrid2 | |||
|---|---|---|---|---|
| CON-S | EFC-S | |||
| Corn grain source3 | ||||
| CON-G | EFC-G | CON-G | EFC-G | |
| Mycogen corn silage4 | 40.0 | 40.0 | ||
| Enogen Feed Corn silage5 | — | — | 40.0 | 40.0 |
| Yellow #2 corn grain, dry rolled | 38.5 | — | 38.5 | - |
| Enogen Feed Corn grain, dry rolled | - | 38.5 | — | 38.5 |
| Alfalfa hay | 7.0 | 7.0 | 7.0 | 7.0 |
| Prairie hay | 7.0 | 7.0 | 7.0 | 7.0 |
| Supplement6 | 7.5 | 7.5 | 7.5 | 7.5 |
| Nutrient composition, % of DM | ||||
| Exp. 1 | ||||
| Dry matter, % | 50.9 | 51.3 | 54.6 | 54.3 |
| Crude protein | 13.4 | 13.4 | 13.0 | 13.2 |
| Neutral detergent fiber | 27.9 | 27.9 | 25.8 | 28.1 |
| Acid detergent fiber | 19.0 | 18.7 | 17.2 | 18.0 |
| Starch | 35.8 | 36.2 | 39.3 | 37.1 |
| Calcium | 0.88 | 0.90 | 0.81 | 0.86 |
| Phosphorus | 0.31 | 0.31 | 0.28 | 0.28 |
| Exp. 2 | ||||
| Dry matter, % | 52.9 | 51.2 | 54.7 | 54.7 |
| Crude protein | 12.9 | 12.9 | 12.9 | 12.8 |
| Neutral detergent fiber | 28.1 | 29.1 | 27.8 | 27.6 |
| Acid detergent fiber | 19.0 | 19.2 | 18.2 | 18.1 |
| Starch | 39.1 | 38.5 | 39.1 | 39.3 |
| Calcium | 0.80 | 0.79 | 0.80 | 0.79 |
| Phosphorus | 0.29 | 0.29 | 0.28 | 0.28 |
Diets were formulated to contain 1.72 Mcal NEm/kg DM and 1.11 Mcal NEg/kg DM (NASEM, 2016).
CON-S, control corn silage; EFC-S, Enogen Feed Corn silage.
CON-G, control corn grain; EFC-G, Enogen Feed Corn grain.
Contained 30.0% dry matter and 28.7% starch.
Contained 34.4% dry matter and 34.7% starch.
Supplement pellet was formulated to contain (DM basis) 8.80% crude protein, 5.68% calcium, 1.00% phosphorus, 3.78% salt, 1.89% potassium, 0.47% magnesium, 3.08% fat, 11.9% acid detergent fiber, and 231 mg/kg monensin (Rumensin; Elanco, Greenfield, IN).