| abstract |
The invention relates to an additive for improving animal body immunity, its preparation method and application. Among them, the additives used to improve the immunity of sows include, by weight percentage, 7% to 13% of Liangyi powder, 5% to 12% of medlar, 2% to 12% of Dendrobium candidum, and 6% to 16% of schisandra %, 10%-20% of astragalus polysaccharide and the rest of auxiliary materials; the Liangyi powder is mainly prepared by fermentation from the following raw materials in parts by weight: 1-2 parts of Codonopsis pilosula and 2-4 parts of Rehmannia glutinosa. The additive is used in animal feed to feed sows, can obviously enhance the comprehensive immune function of animals, and improve the quality of breast milk of female animals. |