The present invention relates to an animal feed, in particular relates to a livestock feed, and belongs to the technical field of preparing feed from plant materials such as potatoes or non-silage root tuber plants. The present invention discloses a livestock feed which is safe to livestock animals, and has low costs, complete nutrition, good palatability and a high feed conversion rate. The livestock feed comprises the following raw materials in parts by weight: 10-15 parts of rice bran, 10-15 parts of wheat bran, 5-10 parts of sweet potato vine bran, 5-10 parts of broad bean leaf bran, 5-10 parts of soy stalk bran, 20 to 25 parts of rapeseed cake, 5-10 parts of cottonseed cake, 20-25 parts of soybean cake, 5-10 parts of broad beans, 10-15 parts of peas, 5-10 parts of bean dregs, 5-10 parts of silkworm pupa, 7-10 parts of fish meal, 7-10 parts of bone meal, 5-10 parts of blood meal, 5-10 parts of stone powder, 7-10 parts of eggshell powder, 0.5-1 part of calcium hydrogen phosphate, 0.5-1 part of calcium carbonate, 0.5 part of salt, 3-5 parts of Lactobacillus acidophilus, 3-5 parts of Bnfillus licheniformis, 5-10 parts of licorice root, 5-10 parts of indigowoad root, 5-10 parts of tuber fleeceflower stem and leaves, 1-3 parts of organoselenium, 5-8parts of active dry yeast, 2-4 parts of nigecose syrup and 1-3 parts of biuret.