Table 2.
Feed intakes and apparent digestibility of beef cattle fed different N sources.
Dietary treatments
SEM
Control SBM U-Cal U-Cas
DM intake
Rice straw, kg/day 7.8 8.0 7.7 8.1 0.51
Concentrate, kg/day 2.0 2.4 2.2 2.4 0.94
Total, kg/day 9.8 10.4 9.9 10.5 1.54
Apparent digestibility
Dry matter 0.58 0.63 0.60 0.62 0.046
Organic matter 0.61 0.65 0.64 0.66 0.048
Crude protein 0.61 0.63 0.62 0.62 0.025
Neutral detergent fibera 0.53a 0.60b 0.59b 0.64c 0.011
Acid detergent fiber 0.40 0.44 0.43 0.45 0.035