Anti-stress traditional Chinese medicine feed additive as well as preparation method and application thereof

The invention discloses an anti-stress traditional Chinese medicine feed additive as well as a preparation method and an application thereof. The anti-stress traditional Chinese medicine feed additive mainly comprises the following medicinal components: codonopsis pilosula, seeds of wild jujube, poria cocos, magnolia officinalis, ash bark, pseudo-ginseng, hawthorn, herba andrographitis, coptis chinensis, radix paeoniae rubra, prepared rehmannia root, rheum officinale and liquorice. The raw materials are dried, crushed, screened and uniformly mixed by adopting a traditional Chinese medicine production device, the prepared traditional Chinese medicinal preparation is added into basic daily ration of 60-day-old health little meishan sow to be uniformly mixed so as to feed the sow, and the freedom foraging and drinking are implemented. The test proves that the anti-stress traditional Chinese medicine feed additive can remarkably improve the total protein and albumin concentration in porcine serum; the content of immune globulin IgG and the content of complement C3 in the porcine serum can be remarkably increased; the antibody level of the immunized swine fever is obviously increased; the pig spleen index is increased. Various weaknesses of various chemical drugs and antibiotic feed additives can be overcome, no toxicity and side effect and no chemical residue exist, and the production of environment-friendly and high-quality animal product is guaranteed while the immunity of the body is improved.