The invention discloses a feed for non-pregnant black pigs, and a preparation method thereof. The feed comprises the following active ingredients in parts by weight: 180-190 parts of wheat, 150-170 parts of peeled
soybean meal, 130-140 parts of epiration of potato chips, 120-140 parts of
ripening grape seed, 60-80 parts of eggplant seed, 30-50 parts of grass seed, 120-150 parts of
shrimp meal, 70-80 parts of alfalfa
meal, 10-15 parts of bovine-derived power, 40-45 parts of vegetable offal, 16-18 parts of
hotbed chives, 10-12 parts of
rehmannia, 10-15 parts of amaranthus viridis, 14-16 parts of
lactuca indica, 12-13 parts of affine cudweed, 18-20 parts of
orchis, 25-35 parts of
water chestnuts, 30-40 parts of pumpkins, 35-50 parts of yoghurt, 7-8 parts of
sunflower oil, 15-20 parts of abliflora petals
powder, 0.3-0.5 parts of flavorant and 0.5-1 part of black pig nutrients. The feed is nutritional and healthy, delicious and tasty, safe and non-toxic, and can provide sufficient
protein, fat,
carbohydrate, vitamins, mineral substances and other nutritional substances, the health of sows can be guaranteed, the oestrus and
ovulation of sows can be promoted, and the
pregnancy rate and
litter size of sows can be increased.