. The substitution of concentrate for grass and rice straw increased with increasing consumption
of concentrate and was as high as 0.49 kg DM reduction per kg of concentrate consumed. LW gain increased
curvilinearly, with significant differences between T0 (0.092 kg/d), T1 (0.58 kg/d) and T2 (0.79 kg/d); but there were no
significant differences in LW gain between T2, T3 (0.83 kg/d) and T4 (0.94 kg/d).With increasing amount of concentrate
in the diet, the digestibilities of dry matter, organic matter, crude protein, and crude fat increased, but NDF digestibility
decreased
. The substitution of concentrate for grass and rice straw increased with increasing consumptionof concentrate and was as high as 0.49 kg DM reduction per kg of concentrate consumed. LW gain increasedcurvilinearly, with significant differences between T0 (0.092 kg/d), T1 (0.58 kg/d) and T2 (0.79 kg/d); but there were nosignificant differences in LW gain between T2, T3 (0.83 kg/d) and T4 (0.94 kg/d).With increasing amount of concentratein the diet, the digestibilities of dry matter, organic matter, crude protein, and crude fat increased, but NDF digestibilitydecreased
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