@article {10.3844/ajavsp.2021.225.232, article_type = {journal}, title = {Optimization of Rumen Bioprocess through The Addition of Phosphorus and Sulfur Minerals on Ammoniated Palm Leaves and Fronds (Elaeis Guineensis Jacq.)}, author = {Suyitman, and Warly, Lili and Hellyward, James and Pazla, Roni}, volume = {16}, number = {4}, year = {2021}, month = {Oct}, pages = {225-232}, doi = {10.3844/ajavsp.2021.225.232}, url = {https://thescipub.com/abstract/ajavsp.2021.225.232}, abstract = {This research aims to determine the optimal dosage of Phosphorus (P) and Sulfur (S) minerals for rumen microbial fermentative activity. The research method used an experimental method with a factorial randomized block design (3×3) with three repetitions for mineral P and S. P was the first factor with three dose levels, namely Po = 0.0%, P1 = 0.27% and P2 = 0.54. The second factor is mineral S with 3 levels: So = 0.0%, S1 = 0.2% and S2 = 0.4%. The parameters measured were rumen fluid profile and nutrient digestibility. The results showed the interaction of P and S minerals on the APLF had no significant effect (P>0.05) on pH, VFA and digestibility of hemicellulose but had a significant effect (P}, journal = {American Journal of Animal and Veterinary Sciences}, publisher = {Science Publications} }