Table VII.
Mean ( ± sχ̄) values of mineral balance in 12 cats fed a dry diet containing meat meal ( MM), chicken meal ( CM), or corn gluten meal ( CGM)
| Calcium balance
|
Phosphorus balance
|
Magnesium balance
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | MM | CM | CGM | MM | CM | CGM | MM | CM | CGM |
| Intake (mg/kg of BW/d) | 263.9 ±27.4b | 340.8 ±27.9a | 293.8 ±30.4b | 164.1 ±17.0 | 185.9 ±15.2 | 180.1 ±18.6 | 13.6 ±1.5b | 15.9 ±1.3a | 12.9 ±1.3b |
| Feces (mg/kg of BW/d) | 265.8 ±34.8 | 335.0 ±34.1 | 304.1 ±34.7 | 96.0 ±9.5c | 131.4 ±13.0a | 108.2 ±10.4b | 12.4 ±1.5 | 15.0 ±1.7 | 12.2 ±1.3 |
| Urine (mg/kg of BW/d) | 0.08 ±0.01b | 0.26 ±0.09a | 0.12 ±0.03a | 19.6 ±2.0b | 20.2 ±1.7b | 25.0 ±2.3a | 1.4 ±0.3b | 2.1 ±0.3a | 1.4 ±0.2b |
| Retained (mg/kg of BW/d) | −2.0 ±14.5 | 5.5 ±19.2 | −10.5 ±19.8 | 48.5 ±7.9 | 34.4 ±8.3 | 46.9 ±10.2 | −0.3 ±0.4 | −1.3 ±1.4 | −0.6 ±0.5 |
| Feces (% of intake) | 98.8 ±5.1 | 99.5 ±6.4 | 103.5 ±5.4 | 59.3 ±2.7b | 70.7 ±4.1a | 61.2 ±3.1b | 90.9 ±3.2 | 90.1 ±7.9 | 95.3 ±4.6 |
| Urine (% of intake) | 0.03 ±0.01 | 0.08 ±0.03 | 0.05 ±0.01 | 12.1 ±0.8b | 11.3 ±1.1b | 14.5 ±1.4a | 10.2 ±1.0b | 13.3 ±1.5a | 10.8 ±1.6b |
| Retained (% of intake) | 1.2 ±5.1 | 0.4 ±6.4 | −3.5 ±5.4 | 28.6 ±2.3a | 18.0 ±3.7b | 24.4 ±3.5a,b | −1.1 ±3.2 | −8.4 ±8.9 | −6.1 ±4.2 |
BW —Body weight
a,b,c
Mean values which do not have a common letter in their superscripts differ at a significance level of P < 0.05