Keywords: animal performance, antioxidative, manure, nitrogen loss, sow, Yucca schidigera extract. Citation: Chen F, Lv Y, Zhu P, Cui C, Wu C, Chen J, Zhang S and Guan W (2021) Dietary Yucca schidigera Extract Supplementation During Late Gestating and Lactating Sows Improves Animal Performance, Nutrient Digestibility, and Manure Ammonia