Feed specially used for sows and preparation method thereof

The invention discloses a feed specially used for sows. The feed is prepared from the following raw materials in parts by weight: 70-90 parts of corn gluten meal, 40-60 parts of rice bran, 40-60 partsof rapeseed cake, 20-40 parts of fish meal. 10-20 parts of red bean powder, 3-8 parts of table salt, 2-6 parts of blood dishes, 2-6 parts of platycodon grandiflorum, 2-6 parts of medicated leaven, 2-6 parts of Chinese water chestnut, 4-10 parts of fish oil, 1-3 parts of folic acid, 1-3 parts of decavitamin, 1-3 parts of methionine, 1-3 parts of multivitamin, 8-15 parts of purslane, 8-15 parts ofzea mexicana, 8-15 parts of cassava leaves, 8-15 parts of carrot, 2-6 parts of alfalfa, 10-20 parts of sweet potato, 1-3 parts of calcium formate, 0.5-1.5 parts of organic chromium, 8-15 parts of shepherd's purse, 0.5-1.5 parts of acidifying agent, 0. 5-1.5 parts of trace elements, 0. 5-1.5 parts of complex enzyme and 2 to 6 parts of donkey-hide gelatin. The feed specially used for sows contains alarge amount of nutrient e