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  • Title: Energy value of distillers dried grains with solubles and oilseed meals for pigs.
    Author: Adeola O, Kong C.
    Journal: J Anim Sci; 2014 Jan; 92(1):164-70. PubMed ID: 24243895.
    Abstract:
    The energy values of 3 distillers dried grains with solubles (DDGS) derived from corn, triticale, and sorghum and 3 oil seed meals including canola meal (CM), cottonseed meal (CSM), and sunflower meal (SFM) were determined in 2 experiments. For both of experiments, 24 crossbred barrows (initial BW: 28.0 ± 1.60 and 28.0 ± 2.0 kg for Exp. 1 and 2, respectively) were grouped by weight into 6 blocks and placed in a metabolism crate with 1 pig per crate. There were 4 diets in each experiment consisting of a corn-soybean meal reference diet and 3 test diets. The test diet consisted of each of 3 DDGS (Exp. 1) or 3 oil seed meals (Exp. 2) that partly replaced the energy yielding sources in the reference diet at 300 (Exp. 1) or 200 g/kg (Exp. 2) such that same ratios were maintained for all energy ingredients across all experimental diets. The DE, apparent ME (AME), and N-corrected AME (AMEn) of the test ingredients were determined by the difference method in 2 experiments each consisting of a 5-d adjustment and 5 d of total but separate collection of feces and urine. The respective DM or GE of corn DDGS, triticale DDGS, sorghum DDGS, CM, CSM, and SFM were 918, 927, 904, 912, 907, and 898 g/kg or 5,429, 5,298, 5,295, 5,063, 5,327, and 4,589 kcal/kg of DM. Addition of DDGS to reference diet in Exp. 1 decreased (P < 0.01) dietary DE, AME, and AMEn of the test diet. However, in Exp. 2, the respective energy values of the test diet were not affected by the addition of oil seed meals to reference diet except for SFM, which decreased (P < 0.01) the energy values. The respective DE, AME, and AMEn were 3,751, 3,559, and 3,361 kcal/kg of DM for corn DDGS, 3,720, 3,537, and 3,315 kcal/kg of DM for triticale DDGS, and 3,520, 3,355, and 3,228 kcal/kg of DM for sorghum DDGS. There was no difference in any of energy values among 3 DDGS evaluated in the current study. Furthermore, the respective DE, AME, and AMEn were 3,577, 3,428, and 3,087 kcal/kg of DM for CM and 3,281, 3,139, and 2,892 kcal/kg of DM for CSM, which were greater (P < 0.01) than those for SFM at 2,449, 2,253, and 2,071 kcal/kg of DM. In conclusion, the DE, AME, AMEn evaluated by difference method in the current experiment was not different among 3 DDGS derived from corn, triticale, and sorghum whereas the respective energy concentration was less in SFM than those in CM and CSM.
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