The invention discloses a pig fattening feed capable of improving pig
immunity. The pig fattening feed comprises, by weight, 50 to 60% of corn, 15 to 20% of
soybean meal, 10 to 20% of rice
bran, 10 to 20% of
fish meal, 5 to 10% of a
plant additive, and 0.5 to 1% of table salt; the
plant additive is composed of, by weight, 10 to 20 parts of
hawthorn fruit, 3 to 6 parts of clove, 5 to 10 parts of orange peel, 10 to 15 parts of radix astragali, 5 to 10 parts of mint, 10 to 20 parts of
moringa leaf, and 5 to 10 parts of
radix isatidis. Compared with common feed wherein
antibiotics, hormones, and
growth promoting agents are added to promote animal growth, the pig fattening feed comprises following advantages: adding of the
plant additive is capable of promoting absorption and
digestion of pigs on feed, increasing feed
utilization rate, activating and improving animal
immunity, increasing daily feed intake obviously, and improving
disease resistance obviously.