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Lactic acid and acetic acid concentrations and pH of DDGS treated with fiber degrading enzymes in a liquid fermentation tank at 40 °C for 10 d1. At day 0, DDGS and fiber degrading enzymes (XB) were mixed with water to achieve 16% DM and were held in fermentation tank for up to 10 d. Feeding steeped DDGS started on day 3. 1Data are means of six batches of samples. a,bMeans at time point with different superscripts are different at P < 0.05.
