Composite dietary fiber and sow fodder both capable of improving farrowing of sows

The invention discloses a composite dietary fiber capable of improving farrowing of sows. The composite dietary fiber comprises microcrystalline cellulose, konjac flour and Jerusalem artichoke flour. The invention further discloses sow fodder capable of improving farrowing of sows. The sow fodder comprises the composite dietary fiber and further comprises corn, beam pulp, fish meal and premix. The composite dietary fiber and the sow fodder both capable of improving farrowing of sows are reasonable in formula and conform to the physiological characteristics in a gestation stage of hyperprolific sows, satiety of the sows in the gestation stage can be improved while hunger stress is reduced. In addition, intestinal health is promoted, organism immunity of the sows is improved and farrowing is improved.