This study aims to determine the Effecto Lamtoro and Indigofera Leaves Substitution on in Bento Rayap (Leersia Hexandra) Grass to Gas Produksi, VFA, and Total Bakteria Rumen. This research was conducted from July 2022 to August 2022 at the Animal Feed and Nutrition Laboratory, Animal Husbandry Study Program, Department of Animal Husbandry Technology and Industry, Siwijaya University. This resea…