The invention belongs to the field of feedstuff additives, and relates to a
livestock and
poultry meat quality modifier, and a preparation method thereof. The modifier is characterized in that: crushed and sieved
tangerine peel, cinnamon, hot pepper, and clove are adopted as main materials; bean pulp,
corn flour and wheat
bran are adopted as auxiliary materials; the materials are processed through steps of water-
steeping, pH value regulating, sterilizing, and cooling; the materials are then inoculated with probiotics for
fermentation; after
fermentation, the materials are dried, such that themodifier is obtained. The meat quality modifier is used as a
livestock and poultry feedstuff additive. The addition amount of the modifier in the feedstuff is 0.02% to 0.5% by weight. The modifier can be used for replacing antibiotic medicines and
hormone medicines used in current
livestock and poultry productions. With the modifier, livestock and poultry digestions can be promoted, livestock andpoultry production performances can be improved, livestock and
poultry meat qualities and flavors can be improved, and livestock and
poultry product added values can be increased. The modifier also has advantages of no toxic and
side effect, no
pollution, no residue. The modifier causes no
drug resistance. With the modifier, livestock and
poultry meat production requirements of high-efficiency, high-quality and health can be satisfied.