Compound feed for pregnant sows in expected date of delivery

The invention discloses compound feed for pregnant sows in expected date of delivery. The feed is prepared by smashing and mixing following raw materials by weight: 55-65 parts of corn, 8-15 parts of soybean pulp, 2-10 parts of corn gluten powder, 3-8 parts of malt sprout, 0-3 parts of soybean oil, 2-8 parts of middlings, 3-5 parts of full-fat soybean, 0-8 parts of wheat bran, 0.4-0.6 part of a microelement premix, 0.4-0.6 part of a vitamin premix, 1.0-1.5 parts of calcium hydrophosphate, 0.2-0.4 part of edible salt, 0.5-1.0 part of stone powder, 0.2-0.5 part of lysine, 0-0.2 part of threonine, 0.08-0.1 part of tryptophan, 0.3-0.8 part of yeast culture, 0.1-0.12 part of choline and 0.1-0.4 part of magnesium sulfate. According to the feed, requirements of rapid growth of fetus in the latter half period of gestation of the sows are met, and reasonable birth weights and vitality are guaranteed; contraction functions of uterine and intestinal smooth muscles of the sows under the condition of high abdominal pressure are guaranteed; problems, namely difficult delivery, prolonged delivery, postpartum triad syndrome, and the like, occurred to the sows during delivery and lactation are reduced; and sow production performances are improved.