Table 3.
Mineral composition (dry matter basis, DM) of extruded dry dog food samples (n = 119) included in the present study quantified with inductively coupled plasma optical emission spectrometry.
| Mineral | Mean | SD | Minimum | Maximum | CV |
|---|---|---|---|---|---|
| Major minerals, g/kg DM | |||||
| Ca | 13.57 | 4.89 | 4.34 | 37.69 | 36.1 |
| P | 9.94 | 3.24 | 3.68 | 19.41 | 32.6 |
| K | 7.19 | 2.88 | 3.77 | 16.02 | 40.0 |
| Na | 5.34 | 1.64 | 1.23 | 9.66 | 30.8 |
| S | 3.87 | 1.43 | 1.54 | 8.32 | 37.0 |
| Mg | 1.21 | 0.21 | 0.80 | 1.97 | 17.3 |
| Trace minerals, mg/kg DM | |||||
| Fe | 370.87 | 90.89 | 128.58 | 702.70 | 24.5 |
| Zn | 190.24 | 57.07 | 37.77 | 357.53 | 30.0 |
| Al | 152.83 | 54.99 | 65.54 | 307.38 | 36.0 |
| Mn | 74.66 | 18.39 | 19.48 | 122.16 | 24.6 |
| Cu | 25.58 | 8.02 | 11.08 | 55.34 | 31.3 |
| Sr | 18.77 | 11.45 | 5.94 | 72.25 | 61.0 |
| Ba | 5.60 | 2.47 | 1.47 | 18.63 | 44.1 |
| B | 5.08 | 1.73 | 2.36 | 11.65 | 34.1 |
| Cr | 1.74 | 0.89 | 0.54 | 5.26 | 50.9 |
| Ni | 1.28 | 0.45 | 0.57 | 3.81 | 34.8 |
| Mo | 0.86 | 0.40 | 0.25 | 2.70 | 45.9 |
| V1 | 0.44 | 0.22 | 0.16 | 1.18 | 49.8 |
| Li | 0.19 | 0.09 | 0.08 | 0.65 | 47.3 |
SD = standard deviation; CV = coefficient of variation, %; 1 The number of samples used for V was 108.