Pakistan Journal of Nutrition1680-51941994-7984Asian Network for Scientific Information10.3923/pjn.2015.80.83FarianiA. AbrarA. MuslimG. WarlyLili 22015142The objectives of the present study were to evaluate the potential of fermented palm press fibre (FPPF) as supplement feed to increase in vitro rice straw digestibility. Complete randomized design experiment was used to determine digestibility (in vitro) of rice straw supplemented with palm pressed fiber. Three treatments were composed as control (P0), rice straw supplemented with 5% FPPF (P1) and rice straw supplemented with 10% FPPF (P2) with 6 replication for each treatment. Observed parameters were digestibility of dry matter (%), organic matter (%), crude protein (%), crude fiber (%) ammonia-N (mM) and Total VFA (mM) concentration. Rumen bacteria population post 24 h incubation were also determined. The result showed that digestibility of dry matter and crude protein were not altered by treatment (p>0.05) while organic matter and crude fiber were significantly (p<0.05) affected by PPFP supplementation. Rumen bacteria population post incubation were not significantly (p>0.05) altered by PPFP supplementation but the number tends to increase.]]>Agbagla-Dohnani, A., P. Noziere, B.G. Martinie, M. Puard and M. Doreau,2003140183192Blummel, M., E. Zerbini, B.V.S. Reddy, C.T. Hash, F. Bidinger and D. Ravi,200384123142Fadel Elseed, A.M.A., J. Sekine, M. Hishinuma and K. Hamana,2003in sacco degradability of rice straw.]]>16368373Islamiyati, R., S. Rasjid, A. Natsir and Ismartoyo,2013Trichoderma sp. and Phanerochaete chrysosporium.]]>2149152Jalc, D.,20022002pp: 19-38pp: 19-38Ogimoto, K. and S. Imai,1981Pages: 231Pages: 231Parissi, Z.M., T.G. Papachristou and A.S. Nastis,2005in vitro gas production technique.]]>123-124119128Reynal, S.M. and G.A. Broderick,20058840454064Santoso, B., B.T. Hariadi, H. Manik and H. Abubakar,200932137144, (In Indonesian)Sharma, R.K. and D.S. Arora,2013415260Steels, R.G. and J.H. Torrie,1960Pages: 481Pages: 481Syahrir, H., Kusmartono and Damry,2013Phanerochaete chrysosporium and or Pleurotus ostreatus on its nutrient content and in-vitro digestibility in ruminants.]]>2013Tilley, J.M.A. and R.A. Terry,1963in vitro digestion of forage crops.]]>18104111Toharmat, T., E. Nursasih, R. Nazilah, N. Hotimah, T.Q. Noerzihad, N.A. Sigit and Y. Retnani,200629146154, (In Indonesian)Vadiveloo, J.,2000835765Van Soest, P.J.,2006130137171Waldron, M.R., F.N. Schrick, J.D. Quigley, J.L. Klotz, A.M. Saxton and R.N. Heitmann,200280270278Yulistiani, D., J.R. Gallagher and R.J. van Barneveld,20038816Zia-ur-Rehman, A. Hussain and W.H. Shah,2000169296