During the urine recovery period the DFI was
different between species (kg/DM 9.0 ± 0.53 vs 7.6 ± 0.62, respectively in cattle and
buffaloes), even if due to the high individual variability, it was not statistically significant.
All the subject were in good health throughout the experiment and no substantive
modification of live weight (LW) was registered, indicating that energy requirements were
satisfied. Urine excretion (table 1) was significantly (P