High-yield shrimp feed with function of effectively improving immunity and preparation method of high-yield shrimp feed

The invention discloses high-yield shrimp feed with a function of effectively improving immunity and a preparation method of the high-yield shrimp feed. The high-yield shrimp feed is prepared from components in parts by weight as follows: 30-50 parts of fish meal, 5-15 parts of shrimp meal, 0.2-0.5 parts of sodium chloride, 5-15 parts of fermented soybean meal, 12-25 parts of soybean meal, 18-22 parts of flour, 3-5 parts of brine shrimp eggs, 0.5-1.5 parts of selenium yeast, 0.3-1 part of beer yeast, 3-5 parts of corn starch, 3-6 parts of kelp powder, 1-3 parts of fish oil, 1-3 parts of linseed oil, 0.5-1 part of multi-vitamin for shrimps, 0.05-0.1 parts of vitamin C, 0.005-0.05 parts of vitamin E, 0.5-1 part of compound minerals for shrimps, 0.5-1 part of mannan oligosaccharide, 0.1-0.5 parts of natural steroid sarsasapogenin, 0.1-0.5 parts of Brevibacillus laterosporus, 0.2-0.3 parts of choline chloride, 2-4 parts of soybean phospholipid oil, 1-3 parts of calcium dihydrogen phosphateand 0.5-2 parts of calci