Table 1.
Composition (% DM) of diets fed to primiparous and multiparous cows on Farm 12 and Farm 9
| Farm 12 | Farm 9 | |||
|---|---|---|---|---|
| Primiparous | Multiparous | Primiparous | Multiparous | |
| Ingredient composition, %DM | ||||
| Corn Silagea | 38.9 | 35.1 | 47.2 | 46.2 |
| Alfalfa Silagea | 11.3 | 12.8 | --- | --- |
| Triticalea | --- | --- | 8.3 | 10.2 |
| Grass Haya | --- | 1.4 | --- | --- |
| Corn Ground Fine | 18.2 | 20.6 | 15.2 | 14.9 |
| Wheat Middlings | 8.1 | 5.4 | --- | --- |
| Soybean Hulls | --- | --- | 5.5 | 5.4 |
| Corn Distillers | --- | --- | 3.7 | 3.6 |
| Citrus Pulp | --- | --- | 1.1 | 1.1 |
| AminoPlusb | 3.7 | 3.8 | 7.4 | 7.2 |
| SoyPlusc | 3.7 | 3.7 | --- | --- |
| Canola Meal | 9.7 | 8.9 | --- | --- |
| Soybean Meal | 0.4 | 1.7 | 5.5 | 5.4 |
| Blood Meal | 0.5 | 0.7 | 1.0 | 1.0 |
| Urea | --- | --- | .0.4 | 0.4 |
| Molasses | 2.1 | 1.6 | 1.3 | 1.3 |
| Energy Booster 100d | 0.4 | 0.9 | --- | --- |
| Megalace | 0.5 | 0.6 | --- | --- |
| Pork-Vegetable Fat | --- | --- | 0.5 | 0.5 |
| Calcium Carbonate | 0.99 | 1.01 | 1.09 | 1.11 |
| Sodium Sesquicarbonate | 0.87 | 0.92 | 0.74 | 0.72 |
| Sodium Chloride | 0.37 | 0.38 | 0.46 | 0.45 |
| Magnesium Oxide | 0.13 | 0.13 | 0.18 | 0.18 |
| Methionine, MFPf | 0.07 | 0.05 | 0.11 | 0.11 |
| Methionine, SmartamineMg | --- | 0.02 | --- | --- |
| Mineral-Vitamin Mixh | 0.06 | 0.11 | 0.22 | 0.22 |
| Rumensin 90i,j, mg/kg | 150.0 | 149.2 | 50.4 | 50.4 |
| Chromium .propionate 4%,k,l mg/kg | 2.60 | 2.54 | 1.01 | 1.01 |
| Chemical composition %DM | ||||
| Crude Protein | 16.5 | 16.7 | 16.2 | 15.0 |
| Soluble Protein, % CP | 31.4 | 31.2 | 32.2 | 28.4 |
| RDPm estimated, % CP | 59.1 | 56.9 | 60.2 | 59.4 |
| ADF | 18.0 | 18.9 | 19.2 | 19.6 |
| NDF | 28.8 | 28.3 | 30.6 | 31.3 |
| NFCn | 44.0 | 44.6 | 42.6 | 43.1 |
| Sugar | 4.5 | 4.1 | 4.3 | 5.4 |
| Starch | 27.5 | 32.1 | 26.1 | 29.2 |
| Fat | 3.8 | 3.8 | 3.4 | 3.4 |
| Ash | 6.9 | 6.7 | 7.2 | 7.2 |
| Ca | .92 | .82 | .96 | .79 |
| P | .48 | .48 | .34 | .33 |
aForage
bHeat treated soybean meal; Ag Processing Incorporated (Omaha, Nebraska)
cExtruded soybean meal; West Central Cooperative (Ralston, Iowa)
dRumen inert fat; Milk Specialties (Eden Prairie, Minnesota)
eRumen inert fat; Arm and Hammer Animal Nutrition (Princeton, New Jersey)
fRumen available methionine source; Novus International (Saint Charles, Missouri)
gRumen protected methionine; Adisseo (Alpharetta, Georgia)
hConcentration (DM basis); Farm 12 Primiparous: 39 mg of Fe/kg, 32,795 mg of Zn/kg, 7695 mg of Cu/kg, 18,091 mg of Mn/kg, 460 mg of Se/kg, 616 mg of Co/kg, 622 mg of I/kg, 3203 KIU of vitamin A/kg, 804 KIU vitamin D/kg, 22 KIU vitamin E/kg; Farm 12 Multiparous: 3300 mg of Fe/kg, 21,000 mg of Zn/kg, 5556 mg of Cu/kg, 11,118 mg of Mn/kg, 141 mg of Se/kg, 543 mg of Co/kg, 222 mg of I/kg, 1032 KIU vitamin A/kg, 258 KIU vitamin D/kg, 10 KIU vitamin E/kg; Farm 9 Primiparous and Multiparous 4537 mg of Fe/kg, 19,638 mg of Zn/kg, 3724 mg of Cu/kg, 10,157 mg of Mn/kg, 130 mg of Se/kg, 102 mg of Co/kg, 305 mg of I/kg, 1067 KIU of vitamin A/kg, 267 KIU vitamin D/kg, 6 KIU vitamin E/kg;
iElanco Animal Health (Greenfield, Indiana)
jProvided 14.6 and 15.0 mg monensin/kg diet DM to Farm 12 primiparous and multiparous cows, respectively, and provided 14.8 and 14.5 mg monensin/kg diet DM to Farm 9 primiparous and multiparous cows, respectively
kKemin (Des Moines, Iowa)
lProvided 0.25 and 0.26 mg chromium/kg diet DM to Farm 12 primiparous and multiparous cows, respectively, and provided 0.30 and 0.29 mg chromium/kg diet DM to Farm 9 primiparous and multiparous cows, respectively
mRumen degraded protein estimated using CPM-Dairy software
nNon-Fiber Carbohydrate calculated value (100-CP-NDF-Fat-Ash)