The invention provides a feed used for landrace pigs and belongs to the field of pig feeds. In order to solve the problems that an original formula of introduced 
landrace pig feed is unstable extremely, not only is the feeding cost added and is the feed resource wasted, but also the environmental 
pollution is increased and the like, the invention provides a feed used for landrace pigs. The feed comprises the following components in parts by weight: 500-550 parts of 
corn flour, 150-190 parts of fermenting objects of oilseed rape cake, 100-120 parts of wheat 
bran, 0.1-0.5 part of 
mango leaf extract, 20-50 parts of fermenting objects of mulberry leaves, 13-16 parts of 
calcium hydrophosphate, 10-15 parts of stone 
powder, 1-2 parts of 
threonine, 1-3 parts of 
methionine, 0.1-0.8 part of 
tryptophan, 3-5 parts of table salt, 1-3 parts of 
choline chloride, 3-5 parts of 
bentonite and 0.5-1.5 parts of complex 
vitamin. By virtue of the specie selection and content selection of materials in the feed used for the landrace pigs, the combination of all 
nutrient substances in the feed is reasonable, so that not only is the feed used for the landrace pigs provided by the invention suitable for 
digestion and absorption of the landrace pigs, so that the 
growth speed of the landrace pigs is improved significantly, furthermore, the 
immunity of the landrace pigs also can be enhanced and the 
food safety of the pork can be improved.