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The feeding value of a mixture of 30:70 wet distillers grains:wheat straw or 20:20:60 wet distillers grains:beet pulp:wheat straw (DM) for late gestation beef cows was estimated. In Experiment 1, cows limit fed distillers grains and wheat straw gained as much weight and body condition as cows limit fed alfalfa hay. In Experiment 2, cows fed wet distillers grains and wheat straw or wet distillers grains, beet pulp, and wheat straw gained more weight and improved body condition compared with cows fed alfalfa hay. The results of these experiments indicate cows in late gestation will maintain body condition when limit fed by-products and crop residues to meet their energy requirements.