Overwintering feed for northern Ctenopharyngodon idella, and preparation method of overwintering feed

The invention discloses overwintering feed for northern Ctenopharyngodon idella, and a preparation method of the overwintering feed. The overwintering feed for the northern Ctenopharyngodon idella comprises 2-5 parts of fish meal, 3-7 parts of chicken powder, 10-30 parts of soybean meal, 10-30 parts of rapeseed meal, 10-30 parts of cottonseed meal, 10-20 parts of Triticum aestivum L., 4-8 parts ofZea mays L., 4-8 parts of bran, 1-5 parts of yeast hydrolysate, 2-4 parts of grapestones and 1-3 parts of premix. The raw materials of the overwintering feed for the northern Ctenopharyngodon idellaand a ratio of the raw materials are screened and optimized, the yeast hydrolysate is used for repairing intestinal tract injuries and improving the immunity of a Ctenopharyngodon idella body, and meanwhile, the digestive absorption rate of the food in the intestinal tracts can be improved. Preparation technology parameters are optimized to finally obtain the overwintering feed for northern Ctenopharyngodon idella. When th