The experiment was conducted to know effect of using papaya leaves flour dry matter and organic matter digestibilities and level of N-NH3 of feather mealon by in vitro method. This experiment was carried out at Laboratorium Dasar Bersama (LDB) and Laboratorium Kimia dan Mikrobiologi Jarusan Teknologi pertanian Fakultas Pertanian, Universitas Sriwijaya from May to September 2006. The experimenta…