Asymptotic gas volume corresponding to maximum substrate digestion (Vf, ml/g oil palm fronds (OPF) DM), fractional rate of gas production (K/h), lag
time before gas production starts (Ln, h) of OPF inoculated with one of 10 white rot fungi (WRF) for 3 and 9 wks, as well as untreated OPF (control) using
rumen fluid not adapted to OPF in 72 h gas production and their P value (n = 2 fungi colonization replicates
×
1 in vitro rumen incubation).