This study aims was to evaluate dry matter degradation of four swamp grasses in swamp buffalo by In Sacco method. This research was conducted from February to July 2020 at the Animal Husbandry Study Program Laboratory, Faculty of Agriculture, Sriwijaya University University. This study used a completely randomized design (CRD) with 4 treatments ( Kumpai Tembaga (Hymenachne Acutigluma), Kumpai M…