Feeding composition for improving reproductive performance of sows and preparation method thereof

The invention relates to the technical field of animal feed, and particularly discloses a feeding composition for improving reproductive performance of sows and a preparation method thereof. The feeding composition comprises the following raw materials in parts by weight: 65-75 parts of corn; 25-35 parts of wheat bran; 15 to 25 parts of soybean meal; 15-25 parts of rice bran; 1-5 parts of bamboo juice; 1-5 parts of a fermented traditional Chinese medicine additive; 1-5 parts of a vitamin additive and 1-5 parts of an inorganic salt additive. The preparation method comprises the following steps: L1, mixing the corn, the wheat bran, the soybean meal and the rice bran, stirring and crushing to obtain a primary crushed materials; L2, uniformly mixing the primary crushed materials, a fermented traditional Chinese medicine additive, a vitamin additive and an inorganic salt additive to obtain a secondary mixed materials; and L3, adding the bamboo juice and purified water into the secondary mixed materials, uniformly