Fecha de publicación: 11/03/2022 Fuente: Wipo "olive oil" The invention discloses an additive premix feed for improving the non-specific immune function of weaned piglets. The compound feed is prepared from the following raw materials in parts by weight: 40-60 parts of a compound microecological preparation, 20-30 parts of a potentilla fruticosa crude extract, 20-30 parts of a compound natural plant crude extract, 15-30 parts of a compound premixed feed, 15-30 parts of a compound fruit and vegetable mixture, 5-10 parts of compound feeding vegetable oil and 4-8 parts of fish bone meal, the composite microecological preparation comprises brevibacillus laterosporus, candida utilis, bacillus natto and streptococcus thermophilus; the composite natural plant crude extract comprises crude extracts of eucommia ulmoides, smoked plum, houttuynia cordata, hawthorn, lotus seed, cassia seed, burdock and the like; the compound premix feed comprises rumen protected methionine, vitamin C, tryptophan and magnetite; the compound fruit and vegetable mixture comprises cucumbers, tomatoes, winter jujubes and pineapples; the compound feeding vegetable oil comprises peanut oil, sesame oil, olive oil and coconut oil. The additive premix feed disclosed by the invention is small in additive amount, and the immunity of piglets is remarkably improved.