Effect of a recombinant expansin-like protein (BsEXLX1) and EFE on asymptotic gas production (GP, mL/ g OM incubated) and in vitro digestibility after 24 hours of a total mixed ration for dairy cows (Experiment 5).

Different letters in the same row indicate differences (P d was defined as rate of gas production (mL/h) and lag phase (L) was defined as the delay prior to the initiation of fermentation (h) (Experiment 5). Superscripts indicate L = linear effect of dose, Q = quadratic effect of dose (P S1 Table and S2 Table.