Special beef cattle complete pellet feed capable of improving net meat rate

The present invention discloses a special beef cattle complete pellet feed capable of increasing the net meat rate, the special beef cattle complete pellet feed comprises main materials and auxiliary materials, the main materials comprise the following raw materials by weight: 30-50 parts of corn, 10-20 parts of soybean meal, 5-10 parts of wheat bran, 5-15 parts of cottonseed meal, 5-15 parts of rice bran, 3-7 parts of rapeseed meal, and 3-7 parts of vinasse powder; the auxiliary materials comprise compound vitamin, compound amino acid, medium trace elements, a compound microbial agent, sodium chloride, alkali, astragalus polysaccharide and sodium selenite; the content of the alkali is 4-6g/kg; the content of the sodium chloride is 1-3.2g/kg; the content of the astragalus polysaccharide is 0.3-0.5g/kg; the addition amount of the sodium selenite is 0.7-2.5mg/kg; the compound amino acid comprises 3*10 cfu/g of aspergillus niger. When the feed is used for feeding beef, beef products with high net meat rate and l