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Co-product Feeds are “Taylor Made” for Sheep. Jeff Held SDSU Extension Sheep Specialist. Co-products for Livestock. Ethanol industry coproducts (dry-milling) Distillers Grain w/solubles (DDGS, MDGS, WDGS) CCDS (“syrup”) Corn sweetner industry co-products (wet-milling)

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co product feeds are taylor made for sheep

Co-product Feeds are “Taylor Made” for Sheep

Jeff Held

SDSU Extension Sheep Specialist

co products for livestock
Co-products for Livestock
  • Ethanol industry coproducts (dry-milling)
    • Distillers Grain w/solubles (DDGS, MDGS, WDGS)
    • CCDS (“syrup”)
  • Corn sweetner industry co-products (wet-milling)
    • Corn Gluten Feed (CGF)
  • Soyhulls (SH)
  • Beet Pulp
  • Wheat Middlings (“Midds”)
why consider co products for sheep
Why consider co-products for sheep
  • Cost
    • Energy and crude protein (cents/lb)
    • Forage substitution
  • Animal performance
    • Growth and lactation
co product concerns and conditions
Co-product Concerns and Conditions
  • Handling and Storage
  • Unique Nutrient Profiles
    • Minerals -phosphorus, sulfur, copper
    • Level of fat
what are dried distillers grains with solubles
What are dried distillers grains with solubles?
  • The dry-mill ethanol production process uses only the starch portion of the corn, which is about 70% of the kernel. All the remaining nutrients – protein, fat, minerals, and vitamins – are concentrated into distillers grain.
  • A bushel of corn will produce at least 2.8 gallons of ethanol and 18 pounds of distillers grain.

Distillers Grain with Solubles(DDGS)

  • 28 - 30% CP (35% DIP)
  • 0.8 % phosphorus
  • 0.4-0.8 % sulfur
  • 8-10 % fat

Condensed Corn Distillers Solubles (CCDS)

  • 30-50 % dry matter
  • 20-30 % crude protein
  • 0.8 % phosphorus
  • 0.7 % sulfur
  • 10-20 % fat
  • **Added back to
  • distillers grain at 10 - 20%

Corn Gluten Feed

  • 19-22% CP (80% DIP)
  • 0.9 % phosphorus
  • 0.4-1.0 % sulfur
  • 2 % fat


  • 10-12 % Crude Protein
  • 0.2 % phosphorus
  • 0.2 % sulfur
  • 2.0 % fat

Beet Pulp

  • 7 % Crude Protein
  • 0.1 % phosphorus
  • 0.2 % sulfur
  • 0.6 % fat

Wheat Middlings

  • 18 % CP
  • 1.05 % phosphorus
  • 0.21 % sulfur
  • 3.5 % fat
  • 25 % starch

Summary - Coproduct Nutrient Composition

**Expect significant plant to plant variation for CP and minerals

ddgs variability
DDGS - Variability

From University of Minnesota DDGS website

common characteristics of co products
Common Characteristics of Co-products
  • Energy and protein rich feeds

highly fermentable fiber carbohydrates (NDF, ADF)

low starch content reduces acidosis risk

  • Limitations on livestock diet formulation

mineral profile

fat content

  • Practical storage, handling and local availability will determine feasibility for incorporation into a feeding system.
  • Sheep producers should consider dry stored coproducts that are economically valued.
  • These coproducts are valued as energy feeds versus corn.

DDGS – practical and cost effective

us ethanol production
US Ethanol Production

35 mil tons DDGS

Renewable Fuels Association, 2009

ddgs research lactating ewes
DDGS Research-Lactating Ewes
  • Protein- suckling lamb growth response similar for DDGS and SBM supplemented diets (Univ. of Kentucky)
  • Energy- DDGS substituted for corn at 2 lb per head, 25 % of diet DM resulted in a slight positive performance response in triplet reared lambs. (Iowa State Univ.)
  • Recommended maximum inclusion:
    • 2 lb/hd/d or 25% of dietary DM
south dakota state university ddgs research lactation diets
South Dakota State UniversityDDGS Research-Lactation Diets
  • SDSU Lactation Trial
    • DDGS and soyhulls replacing hay to increase energy density during lactation


    • Higher milk production
    • Higher lamb gain
    • Excellent health status
ddgs research lamb mixed diets
DDGS Research-Lamb Mixed Diets
  • Few studies with lambs fed DDGS in US
    • SDSU conducted 1st feeding trial in 2004
    • Response to producer inquiry
  • Restrictions include meal form of product and mineral considerations – phosphorus
  • Designed simple mixed diet formulation guidelines for on-site application
          • SDSU Extension publication

EXEX 2053


Whole Corn


Liquid Supplement

south dakota state university ddgs research lamb diets
South Dakota State UniversityDDGS Research-Lamb Diets
  • SDSU Lamb Finishing Trials*
    • DDGS substitution for SBM
    • DDGS and corn or soyhulls
      • Mixed ingredient diets
      • Completely pelleted

*ad-lib feeding management

using dried distillers grains as a protein and energy source in market lamb diets

Using Dried Distillers Grains as a Protein and Energy Source in Market Lamb Diets

T. Hulls, A. Bartosh, R. Zelinsky, J. A. Daniel and A. Wertz-Lutz

Experimental Diets

Diets were formulated to be 14.5 % crude protein and isocaloric

conclusions huls et al
Conclusions –Huls., et. al.
  • DDGS can be used as a protein and energy source in lamb finishing diets
    • Excellent lamb growth performance and carcass merit
    • Excellent health status
  • However to be most cost effective should evaluate DDGS in a mixed ingredient diet

The effect of corn or soybean hull diets supplemented with DDGS in mixed diets on finishing lamb performance and carcass merit

R. Zelinsky, J. A. Daniel, and J.E. Held

experimental design
Experimental Design
  • 80 white-faced and brockle-faced wethers and ewe lambs
  • Conducted December 23, 2004 at 92 days of age (range 79 to 105) and fed for 64 days after a 7-d adaptation period
  • Eight feeding pens with 10 lambs per pen
  • Feed disappearance was recorded to calculate intake and feed to gain ratio. Average daily gain was determined in 3 wk intervals.
  • Lambs were slaughtered and carcass data collected at a commercial packing plant. (Iowa Lamb Corp)
experimental diets
Experimental Diets
  • Diets were formulated to contain 14 % crude protein
conclusions zelinsky et al
Conclusions - Zelinsky,
  • DDGS was shown to be an excellent choice in mixed lamb finishing diet formulation.
    • ADG at 0.78 lb/d met or exceeded expectations for growth performance.
  • Residual feed (waste) for the soybean hull diet was approximately 40% of the corn diet.
  • Soybean hulls fed to lambs consistently have higher intake compared to grain based diets.
ddgs considerations lamb feeding
DDGS Considerations - Lamb Feeding

Residual feed waste in mixed ingredient diets

- Adds more labor and feed cost

- Diet sorting alters animal nutrient consumption

Diet formulation must account for high levels of:

Phosphorus - protect against urinary calculi

- maintain Ca:P at 2:1 (P < 0.4%)

- add ammonium chloride at 0.5% of dietary DM

Sulfur – total dietary levels >0.3% risk for (PEM)

- add 10 mg thiamine per lb of dietary DM

ddgs recommendations lamb feeding
DDGS Recommendations-Lamb Feeding
  • Up to 20% of dietary DM is practical
    • 16 % CP growing or finishing mixed diet.
  • Mixed diet with DDGS is ideal for bunk fed lambs, can use in ad lib feeding system.
  • Must have high management skills
  • DDGS and pelleted soyhulls compliment
    • Ca:P ratio and lower residual feed versus corn/DDGS
ddgs summary lamb feeding
DDGS Summary Lamb Feeding
  • DDGS use in lamb finishing diets promotes excellent lamb growth performance, carcass merits and health status.
  • DDGS and soyhulls can serve as the sole energy, protein and fiber sources in lamb finishing diets.
for more details on sdsu sheep ddgs research

For more details on SDSU Sheep DDGS Research

Principal Investigators:

Zelinsky, R.D., Wertz-Lutz, A.E. and J.E. Held

SDSU Animal and Range Sciences

EX EX 2052 and 2053