Table 4.
Body condition score (BCS) and daily intake of macronutrients, minerals, metabolizable energy (ME), and phytic acid (PA) of dogs fed the experimental diets. a–c Values in the same row that share a common superscript are not statistically different (p > 0.05).
Parameter | Diets | p | ||||||
---|---|---|---|---|---|---|---|---|
IZ | IZ+ | OZ | OZ+ | SEM | Zn | Enzyme | Zn × Enzyme | |
BCS | 4.5 | 4.6 | 4.5 | 4.4 | 0.10 | 1.000 | 0.624 | 0.624 |
Intake, units/kg BW0.75 | ||||||||
DM, g | 42.0 a | 40.3 b | 39.5 b | 40.4 ab | 0.60 | 0.063 | 0.490 | 0.032 |
OM, g | 39.0 | 37.5 | 36.7 | 37.4 | 0.56 | 0.044 | 0.442 | 0.054 |
CP, g | 11.3 | 11.1 | 11.3 | 11.7 | 0.17 | 0.105 | 0.532 | 0.056 |
Starch, g | 12.8 | 12.3 | 11.3 | 11.4 | 0.18 | <0.001 | 0.377 | 0.061 |
EE, g | 4.96 | 4.69 | 4.51 | 4.47 | 0.071 | <0.001 | 0.031 | 0.107 |
NDF, g | 7.98 a | 8.59 b | 8.73 b | 8.54 b | 0.098 | 0.001 | 0.039 | <0.001 |
Ca, g | 0.646 | 0.635 | 0.647 | 0.689 | 0.0190 | 0.158 | 0.414 | 0.174 |
P, g | 0.476 | 0.413 | 0.474 | 0.431 | 0.0068 | 0.237 | <0.001 | 0.156 |
Fe, mg | 12.9 a | 11.9 b | 12.2 b | 12.2 ab | 0.19 | 0.260 | 0.013 | 0.010 |
Cu, mg | 0.886 a | 0.746 bc | 0.734 b | 0.786 c | 0.0122 | <0.001 | 0.001 | <0.001 |
Mn, mg | 2.39 a | 2.30 b | 2.29 b | 2.37 ab | 0.035 | 0.638 | 0.759 | 0.024 |
Zn, mg | 7.15 a | 5.95 b | 6.10 b | 6.64 c | 0.082 | 0.086 | 0.003 | <0.001 |
ME, kJ | 824 | 806 | 784 | 810 | 12.0 | 0.146 | 0.745 | 0.079 |
PA, g | 0.439 | 0.385 | 0.431 | 0.391 | 0.0063 | 0.884 | <0.001 | 0.307 |