Antibiotic-free concentrated feed for young chicken and preparation method thereof

The invention discloses an antibiotic-free concentrated feed for young chicken and a preparation method thereof, and belongs to the field of biological feeds. The feed is prepared from dehulled soybean meal, germ meal, corn distillers dried grains and soluble substances thereof, mountain flour, calcium hydrophosphate, edible salt, cottonseed meal, rapeseed meal, soybean oil, choline chloride, composite premix, yeast cell wall polysaccharide, bacillus licheniformis, bacillus subtilis, lactobacillus acidophilus, clostridium butyricum, selenium yeast, a coating sustained-release acidifying agent, phytase, dextranase, xylanase and cellulase. According to the feed, the yeast cell wall polysaccharide, high-temperature resistance microbiological preparations, enzyme preparations and other digestive enzymes are added on the basis of sufficiently utilizing conventional raw materials, so that, on the premise of no antibiotics, the animal body immunity can be improved, the animal health condition can be improved, the breeding economical benefit can be promoted. The feed is mainly used for breeding young chicken.