where i corresponds to a dietarymacronutrient or mineral (i.e., protein,
lipid, NFE, ash, TP or phytate-P), C is the consumed amount of i, and F is
the fecal loss of i.
Complete N and P mass-balances were set up based on the total
duration of the first experiment (24 days), and following the approach
by Cho et al. (1994) modified to measure dissolved waste directly: