The invention belongs to the technical field of pork pig feeds, and particularly relates to a Chinese herbal
medicine feed additive for preventing and treating
digestive tract diseases of pork pigs and a preparation method of the
feed additive. The preparation method comprises the steps that
semen raphani, unpolished seeds of Job's
tears,
aucklandia lappa,
medicine terminalia fruit and
pericarpium citri reticulatae are sequentially subjected to
reflux extraction with 60%-90% ethyl
alcohol and
potable water, extracted solutions are mixed and then are mixed with water extracts of flower of poplar, herba portulacae, the root of Chinese pulsatilla, poria cocos, cortex magnoliae
officinalis,
atractylodes macrocephala koidz,
sophora japonica, gordon euryale seeds, radix astragali, radix
codonopsis, radix scutellariae, rhizoma atractylodis,
crataegus pinnatifida and licorice root to obtain a mixed liquid, the mixed liquid is concentrated, dried and processed so as to form
dry powder, and finally the
dry powder is evenly mixed with crushed fried malt
powder and
Kelp powder and then packaged. According to the Chinese herbal
medicine feed additive, the raw materials are scientific and reasonable, the preparation process is high in
operability, and the prepared additive is good in
palatability, can effectively prevent the
digestive tract diseases of the pork pigs from occurring, promotes the productive performances, anti-stress capacity and
immunity of the pork pigs, and improves the quality and nutritive value of pork.