BudiansyahA., Resmi Resmi, Filawati Filawati, and HaroenU. “Performance of Kerinci Ducks Treated by Cattle Rumen-Fluid Supernatant Addition As Source of Crude Enzyme in Rations”. Tropical Animal Science Journal 43, no. 2 (June 3, 2020): 125-132. Accessed April 25, 2024. https://journal.ipb.ac.id/index.php/tasj/article/view/28290.