Breeding method of pig using feed additive with byproduct of herbal medicine

摘要

The present invention relates to a method for rearing a pig with a feed additive containing an oriental medicine residue. According to the present invention, the feed additive containing an oriental medicine residue is manufactured by using the oriental medicine residue, as a raw material, which is a residue remained after Sipjeondaebotang is manufactured from an oriental medicine composition including ginseng, Atractylodes japonica K., Poria cocas W., Glycyrrhiza uralensis F., Rehmannia glutinosa L., Paeonia albiflora P., Cnidium officinale M., Angelica gigas N., Astragalus membranaceus B., and Cinnamomum cassia P. Mixed feed prepared by adding 100 parts by weight of pig feed to 0.2 to 2 parts by weight of the feed additive containing the oriental medicine residue is fed to the pig for 100 days or longer before a shipping time of the pig. Fiber is destroyed in the oriental medicine residue such that active ingredients of oriental medicines can be easily extracted and digestion can be well, thereby increasing a weight increase rate, meat quality, and feed efficiency of a pig and providing an antibiotics substitutional effect when the feed additives of the present invention are added to the pig feed to be fed to the pig.