The present invention discloses a
feed additive for improving the anti-stress ability of
livestock and poultry, and a preparation and a use method thereof. The
feed additive comprises the following ingredients by weight: 1-5 parts of
vitamin C, 10-15 parts of manyprickle acathopanax root, 5-10 parts of silktree
albizia bark, 5-12 parts of
common anemarrhena rhizome, 4-10 parts of glossy
privet fruit, 6-15 parts of baikal skullcap root, 4-10 parts of tree peony root-
bark and 4-10 parts of common
andrographis herb. According to the present invention, the
feed additive for improving the anti-stress ability of
livestock and poultry uses a plurality of Chinese herbal ingredients to compound with
vitamin C, significantly enhances the
immunity,
disease resistance and anti-stress ability of
livestock and poultry, regulates the excitement of
central nervous system, enhances the resistance of livestock and poultry to stress environment and
living environment, and increases the
appetite of livestock and poultry and the
feed conversion ratio. The feed additive for improving the anti-stress ability of livestock and poultry has characteristics that the feed additive has no
drug residue, no
drug resistance, no
pollution, no toxic side effects, and is safe and reliable; and the feed additive can be prepared from raw materials from extensive sources, is simple and feasible in preparation method, low in cost, convenient to use and high in
bioavailability, and has wide application prospects.