NOVELTY - Premix comprises multivitamins, copper sulfate, ferrous sulfate, zinc oxide, manganese sulfate, potassium iodide, sodium selenite, choline chloride, zinc bacitracin, fertilizer, phytase, zeolite, bran, Bacillus, garlic powder, dry yellow mealworm powder, clam powder, peanut shell powder, dried green rapeseed powder, dried lettuce leaves powder, bean cake, rapeseed oil cake residue, sesame oil cake residue, and traditional Chinese medicinal additive. The traditional Chinese medicinal additive is pomegranate peel powder.    USE - The premix is useful for removing 1% bitter taste of duck meat (claimed), and enhancing immunity of duck, and in duck feed.    ADVANTAGE - The premix is nontoxic, improves palatability of feed, prevents disease of duck, and causes no side effects.    DETAILED DESCRIPTION - Premix comprises 10 pts. wt. multivitamins, 1.5 pts. wt. copper sulfate, 12.5 pts. wt. ferrous sulfate, 5 pts. wt. zinc oxide, 17.5 pts. wt. manganese sulfate, 4.5 pts. wt. potassium iodide, 2.3 pts. wt. sodium selenite, 60 pts. wt. choline chloride, 13.5 pts. wt. zinc bacitracin, 3.5 pts. wt. fertilizer, 5 pts. wt. phytase, 247 pts. wt. zeolite, 123 pts. wt. bran, 5 pts. wt. Bacillus, 15 pts. wt. garlic powder, 20 pts. wt. dry yellow mealworm powder, 15 pts. wt. clam powder, 20 pts. wt. peanut shell powder, 10 pts. wt. dried green rapeseed powder, 15 pts. wt. dried lettuce leaves powder, 10 pts. wt. bean cake, 10 pts. wt. rapeseed oil cake residue, 15 pts. wt. sesame oil cake residue, and 6 pts. wt. traditional Chinese medicinal additive. The traditional Chinese medicinal additive is pomegranate peel powder. The pomegranate peel powder is prepared by (a) collecting the pomegranate peel, and immersing the pomegranate peel in water for 6-8 hours, (b) freezing immersed pomegranate peel at -10 degrees C for greater than or equal to 2 hours, (c) slicing frozen pomegranate peel to obtain slices having thickness of not greater than 0.8 mm, (d) immersing the slices in warm water at 38-45 degrees C for 3-5 minutes, (e) taking out immersed slices, then immersing the slices in honey water, performing natural fermentation at 35 plus minus 2 degrees C for 16-20 hours, and naturally drying fermented product, and (f) air-drying the product, coating surface of the product using edible glycerol, and steaming product for 30 minutes. The multivitamin (1 kg) comprises 10000-15000 IU vitamin A, 4000-5000 IU vitamin D3, 100-300 IU vitamin E, 100-200 IU vitamin K3, 0.5-1.2 g riboflavin, 2-3 mg vitamin B1, 2-4 mg vitamin B2, 1-3 mg vitamin B6, 1-3 mg vitamin B12, 0.02-0.03 mu g biotin, 0.05-0.15 g folic acid, 8-10 g nicotinic acid, and 2-3 g pantothenic acid.