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Aaron Stalker University of Nebraska

Winter Supplementation Utilizing Co-Products as a Supplement on Winter Range and Crop Residue Systems. Aaron Stalker University of Nebraska. Utility of Distillers Grains. Excellent source of Energy Digestible fiber and fat Does not cause negative associative effects Protein

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Aaron Stalker University of Nebraska

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  1. Winter SupplementationUtilizing Co-Products as a Supplement on Winter Range and Crop Residue Systems Aaron Stalker University of Nebraska

  2. Utility of Distillers Grains • Excellent source of • Energy • Digestible fiber and fat • Does not cause negative associative effects • Protein • Undegraded intake protein • Phosphorus • Often deficient in forage based diets

  3. Utility of Distillers Grains • Cake/cube • Fat content makes pelleting difficult • Addition of other ingredients

  4. DDGS cake as a winter supplement for pregnant cows

  5. Effect of supplement on cow body condition score *** ** ***

  6. WDGS as a winter supplement for pregnant cows

  7. Feeding Wet Distillers on RangeCows Equivalent of 1.0 lb (dm) fed from Dec 1 to Mar 1

  8. Feeding Wet Distillers on RangeCows Equivalent of 1.0 lb (dm) fed from Dec 1 to Mar 1

  9. Feeding Wet Distillers on RangeCalves Start weight 442 lbs Equivalent of 2.2 lb (dm) fed Oct 15 to Dec 15

  10. WDGS to calves on ground • Used NRC (1996) to calculate waste • 0.3 lbs WDGS would increase ADG 0.2 lbs/day • 0.3 lbs WDGS at $200/ton equals $0.03/day • Actual cost is decreased sale weight • Calculate bunk cost • Our estimate $0.16/day • Purchase, delivery, tax, depreciation, set up

  11. Bunk cost • Costs not associated for • Moving between pastures • Damage to pasture at site • Less fertilizer • Bottom line • Calve sale price must be less than $82/cwt to justify not feeding in the bunk

  12. Wintering Pregnant Heifers

  13. Supplement composition Ingredient CPRMPR CGF DDGS Cottonseed Meal 58.8- - - Feather Meal -40.2 - - Soybean Meal 17.8- - - Sunflower Meal 13.730.2 23 5 Wheat Middlings -26.2 - 20 Dry Gluten Feed -- 72 - Distiller’s Grains 3.4- - 60 Molasses (Cane) 2.12.1 2.5 4 Urea 2.8- - - Salt 1.11.1 - - Vitamin Premix 0.20.2 .05 - Limestone 0.1- .05 - Other -- 2.4 11

  14. Pregnant Heifersa CGF DDGS Supp intake 196 321 Hay intake 624 -- ADG 0.63 0.83 BCS change -0.43 -0.33 Pregnancy Rate 96.5 97.1 a707 bred heifers, 10/16/03, to 3/1/04.

  15. Pregnant Heifers CGF DDGS Feed Costs ($/hd) Supplement 24.29 28.44 Grazing 21.67 39.70 Hay 25.85 - Labor Costs ($/hd) Supplement 0.76 3.14 Hay 6.87 - Total Costs ($/hd) 79.44 71.28

  16. Wintering Calvesa Hay Range Range Range Corn/SBM Corn/SBM DDGS 6x/wk DDGS 3x/wk ADG 1.81 2.16 1.91 1.56 Supp intake 5.71 7.77 5.22 4.56 a447 lb., 1/8/04.

  17. Wintering Calves Hay Range Range Range Corn/SBM Corn/SBM DDGS 6x/wk DDGS 3x/wk Costs ($/hd) Supplement 19.71 24.10 15.57 17.78 Hay 20.27 - - - Range - 8.60 11.11 11.38 Total 39.98 32.70 26.68 26.16 Cost of gain ($/cwt) 32.90 25.98 23.78 29.30

  18. Average Daily Gain P L 0.79 Qd 0.29 C 0.96 Qr 0.42 Treatment

  19. DIP in DDG/ Meadow Hay Diets Diet Item No Urea UreaP Initial, lb 452 449 0.10 Final, lb 579 585 0.38 ADG, lb 1.53 1.63 0.17 Total DMI, lb 11.9 11.6 0.76 F:G 9.8 9.1 0.33

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