DDGS serve as a valuable source of energy, protein and amino acids in poultry diets. The researchers – Drs. Mahmoud Masa’deh, Sheila Purdum, and Katherine Hanford – detail their findings in a recent issue of the journal Poultry Science (“Dried Distillers Grains with Solubles in Laying Hen Diets”; Poult. Sci. 2011 90: 1960-1966). “Dried distillers grains with solubles have previously been shown to be a valuable and, especially given current prices of corn and soybean meal, affordable ingredient in poultry diets. “Current usage levels of DDGS in poultry diets typically range from 5pc up to 10pc. What our recent study has shown is that growers can safely explore levels of DDGS in their diets for laying hens up to 15pc, and perhaps as high as 25pc, with no negative effects on feed intake, egg production, or other key metrics, and with improved yolk color at the higher levels,” said Dr. Purdum, one of the study’s authors. Subsequent studies will also look at the impact of replacement rations containing DDGS for pullets, noted Dr. Purdum. The research team’s study comprised two egg production phases, during which diets were formulated to include 0, 5, 10, 15, 20, or 25pc corn DDGS. The only difference between the diets in Phase 1 (week 24-46) and Phase 2 (week 47-76) was that in Phase 1, the diets were formulated on a fixed lysine and TSAA (total sulphur amino acids) level. During the second phase, the diets were designed to keep lysine and methionine at a fixed level, but the TSAA levels were allowed to increase due to higher cysteine levels in DDGS.

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