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Analyzed composition of corn dried distillers grains plus solubles (DDGS)/limestone mixture1 and forage

 
Nutrient DDGS/limestone Forage
DM, % 91.4 86.7
% of DM
OM 91.6 91.1
CP 27.8 9.3
Ether extract 11.1
NDF 32.5 70.6
ADF 8.13 46.8
Ca 1.21 0.69
P 1.04 0.27
S 0.94
197.1% DDGS and 2.9% limestone; DM basis.



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Influence of corn dried distillers grains plus solubles (DDGS) supplementation on feed intake and growth performance of growing steers fed medium-quality hay

 
DDGS, % of BW daily
Contrast P-value
Item 0 0.5 1.0 SEM1 Linear Quadratic
Initial BW, kg 301 299 295 4.6 0.29 0.87
Final BW, kg 698 779 802 14.0 <0.001 0.09
ADG, kg/d 0.17 0.65 0.84 0.047 <0.001 0.02
Hay DMI, kg/d 6.2 5.3 4.4 0.14 <0.001 0.80
Hay DMI, % of BW/d 2.0 1.6 1.4 0.39 <0.001 0.21
DDGS DMI, kg/d 0 1.8 3.1 0.70 <0.001 0.002
DDGS DMI, % of BW/d 0 0.56 0.94 0.015 <0.001 <0.001
Total DMI, kg/d 6.2 7.1 7.6 0.15 <0.001 0.21
Total DMI, % of BW/d 2.0 2.2 2.3 0.03 <0.001 0.52
G:F 0.03 0.09 0.11 0.006 <0.001 0.006
1Pooled SEM (n = 23).



View Full Table | Close Full ViewTable 3.

Influence of corn dried distillers grains plus solubles (DDGS) supplementation on feeding behavior of growing steers fed medium-quality hay

 
DDGS, % of BW daily
Contrast P-value
Item 0 0.5 1.0 SEM1 Linear Quadratic
Eating events, no./day
    Visits
        Hay 54.8 37.9 37.1 2.47 <0.001 0.01
        DDGS 0 4.6 10.0 0.41 <0.001 0.42
        Total 54.8 42.5 47.1 2.54 0.03 0.008
    Meals
        Hay 12.1 10.9 10.5 0.39 0.006 0.41
        DDGS 0 2.7 4.5 0.13 <0.001 0.009
        Total 12.1 13.6 15.0 0.45 <0.001 0.95
Eating time, min
    Per visit
        Hay 4.8 5.5 4.9 0.38 0.84 0.21
        DDGS 0 4.6 3.4 0.30 <0.001 <0.001
        Total 4.8 5.3 4.5 0.33 0.47 0.13
    Per meal
        Hay 21.0 17.3 15.7 0.85 <0.001 0.33
        DDGS 0 7.3 7.0 0.42 <0.001 <0.001
        Total 21.0 15.3 13.0 0.78 <0.001 0.08
    Per day
        Hay 241 187 160 4.9 <0.001 0.03
        DDGS 0 18.9 30.0 1.18 <0.001 0.008
        Total 241 206 190 4.8 <0.001 0.10
Feed intake, g
    Per visit
        Hay 124 156 137 9.8 0.37 0.04
        DDGS 0 438 357 28.0 <0.001 <0.001
        Total 124 185 180 10.9 <0.001 0.02
    Per meal
        Hay 535 490 434 18.7 <0.001 0.81
        DDGS 0 711 727 36.2 <0.001 <0.001
        Total 535 529 517 19.4 0.51 0.88
    Per minute (eating rate)
        Hay 25.9 28.3 27.9 0.68 0.05 0.09
        DDGS 0 103 111 5.4 <0.001 <0.001
        Total 25.9 34.7 40.0 0.91 <0.001 0.11
1Pooled SEM (n = 23).



View Full Table | Close Full ViewTable 4.

Influence of corn dried distillers grains plus solubles (DDGS) supplementation on ultrasound traits of growing steers fed medium-quality hay

 
DDGS, % of BW daily
Contrast P-value
Item 0 0.5 1 SEM1 Linear Quadratic
LM area, cm2
    Day 0 42.6 40.9 41.1 0.99 0.27 0.44
    Day 84 43.1 53.2 57.1 1.42 <0.001 0.08
    Gain2 0.5 12.3 16.0 1.05 <0.001 0.001
Rib fat, mm
    Day 0 4.16 4.23 3.93 0.206 0.42 0.45
    Day 84 3.64 5.10 5.44 0.253 <0.001 0.07
    Gain –0.52 0.87 1.51 0.273 <0.001 0.26
Rump fat, mm
    Day 0 2.68 2.78 2.80 0.155 0.57 0.83
    Day 84 2.70 3.07 3.40 0.177 0.006 0.91
    Gain 0.02 0.29 0.60 0.200 0.04 0.99
Intramuscular fat, %
    Day 0 3.34 3.16 3.26 0.148 0.68 0.45
    Day 84 3.53 3.11 3.30 0.163 0.30 0.12
    Gain 0.19 –0.05 0.04 0.155 0.56 0.42
1Pooled SEM (n = 23).
2Difference between d 84 and d 0 measurements.