Wheat DDGS Feed Guide - Western Canadian Feed Innovation ...

TABLE 7. Composition of wheat DDGS in scientific studies (first author listed) to determine energy, protein
and amino acid content and digestibility and growth (values in brackets represent range of samples used in
the study). Soybean meal and canola meal are included for comparison.
Protein (% DM) 35.7
Thacker Cozannet Bandega Kluth Oryschak Vilariño Vilariño
36.1
(32.6-38.9)
39.9
(38.2 – 41.3)
Soybean
Meal (44)*
Canola
Meal*
36.1 39.2 32.1 35.1 44 38.0
Ash (% DM) 4.6 5.2 (4.3 – 6.7) 5.5 4.7 5.8
Lipid (% DM) 5.4 4.6 (3.6 – 5.6) 5.8 7.0 5.7 6.4 0.80 3.8
Crude Fiber (% DM) 8.6 7.8 6.1 8.5 7.0 12.0
NDF** (% DM) 33.2
29.2
(25.1 – 33.8)
46.8 21.8 24.8
ADF** (% DM)
12.0
(7.7 – 17.9)
10.5 7.4 9.8
Starch (% DM) 4.1 (2.5 – 9.5) 11.7 3.0
Sugar (% DM) 5.1 (3.6 – 8.7) 6.5 3.9
Calcium (% DM) 0.18 0.24 0.13 0.15 0.29 0.68
Phosphorus
(% DM)
0.91 0.99 0.81 0.90 0.27 1.17
Gross Energy (kcal/kg) 4724
4974
(4883 – 5064)
5160
Arginine (% DM) 1.59
1.61
(1.53 -1.67)
1.52 1.67 1.40 1.52 3.14 2.08
Histidine (% DM) 0.77
0.82
(0.78-0.85)
0.77 0.66 0.72 1.17 0.93
Isoleucine (% DM) 1.42
1.37
(1.3 -1.41)
1.26 1.43 1.09 1.20 1.96 1.37
Leucine (% DM) 2.45
2.63
(2.51 -2.77)
2.46 2.65 2.09 2.33 3.39 2.47
Lysine (% DM) 0.92
0.74
(0.69 -0.79)
0.69 1.01 0.70 0.64 2.69 1.94
Methionine (% DM)
0.61
(0.59 -0.62)
0.52 0.59 0.46 0.51 0.62 0.71
Total Sulphur AA
(% DM)
1.50
1.36
(1.30–1.39)
1.27 1.08 1.17 1.28 1.58
Phenylalanine
(% DM)
1.03
1.81
(1.72 – 1.9)
1.73 1.71 1.38 1.54 2.16 1.44
Threonine (% DM) 1.13
1.18
(1.13-1.19)
1.13 1.24 0.99 1.06 1.72 1.53
Valine (% DM) 1.64
1.70
(1.63-1.74)
1.49 1.75 1.37 1.52 2.07 1.76
*Values taken from Nutrient Requirement of Poultry, Ninth Revised Edition, 1994.
**NDF, neutral detergent fibre; ADF, acid detergent fibre
ENERGy CONTENT
Energy digestibility, apparent metabolizable energy (AME) and AME corrected for endogenous nitrogen excretion
(AMEn) of wheat DDGS has been determined in roosters, broilers, layers, and turkeys (Table 8). The estimations of
Vilariño et al. (2007) appear high in relation to the other published values. These values were determined using pelleted
diets which may have improved the energy digestibility in relation to the other studies in which mash diets were used.
The diets used in the determination of energy digestibility in Oryschak et al. (2010) and Thacker and Widyaratne (2007)
included an exogenous commercial enzyme designed for wheat-based diets. Cozannet et al. (2010) showed that
AMEn was highly correlated to ADF content (r = 0.80 to 0.93) regardless of poultry type.
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POULTRY DIETS