Biomassa Nutrien Hijauan Sistem Ransum In Situ (SRI) dan Evaluasi Taraf Penambahan Indigofera zollingeriana terhadap Fermentabilitas dan Kecernaan In Vitro dalam SRI: Nutrient Biomass of Forage in an In Situ Ration System (IRS) and the Evaluation of Indigofera zollingeriana Inclusion Levels on In Vitro Fermentability and Digestibility in IRS. JINTP. 2026;24(2):70-77. doi:10.29244/jintp.24.2.70-77