Pork quality improved feed based on broccoli stem-leaf powder

The invention discloses a pork quality improved feed based on broccoli stem-leaf powder. The full price feed comprises the components in percentage by weight: 5 to 20 percent of broccoli stem-leaf powder, 0.05 to 0.3 percent of betain, and 0.00002 to 0.0001 percent of organic selenium with respect to selenium. The betain is an alkaline compound, the coexistence of the betain and the broccoli stem-leaf powder can restrain the chlorophyll porphyrin ring from de-magging reaction, and stabilize the chlorophyll; in addition, the betain has a refreshing taste, and the synergy of the betain and the stem-leaf powder attracts the swine to eat more feed. The synergy of the broccoli stem-leaf powder and the betain can increase scores of the pork color and marble texture, increase the contents of muscle crude protein and inosinic acid, decrease the concentration of cholesterol in pork, and improve the tenderness and juiciness of pork. The organic selenium and broccoli can synergistically generate the efficacies of stabil